National: Breaking US Stories from The New York Times

Panama Papers May Inspire More Big Leaks, if Not Reform
Action has been taken around the world in response to the disclosures, but the lucrative corporate registration business is likely to resist major change.

Dreams Stall as CUNY, New York City’s Engine of Mobility, Sputters
Michelle Obama is to deliver a commencement address at ‘the poor man’s Harvard,’ where critics say a funding crisis is threatening its mission.

On Its Second Try, NASA Adds Space to Station
Astronauts aboard the International Space Station pumped air into an inflatable compartment that could be a forerunner to habitats on Mars and the moon.

Island Rattlesnake Colony Gives Small-Town Massachusetts Jitters
Proposing an uninhabited island as a place to protect the timber rattlesnake from humans, scientists set off an outcry from humans who fear snakes.

Autopsies of San Bernardino Victims Reveal Details of Carnage
The autopsies relay the chaos in the conference room where the assault occurred and confirm that all of the 14 people who were killed died quickly.

Hedy Epstein, Rights Activist and Holocaust Survivor, Dies at 91
Ms. Epstein’s parents died in Auschwitz and she devoted her life to social justice, telling audiences, “Remember the past, don’t hate, don’t be a bystander.”

Mark Salling, ‘Glee’ Actor, Indicted on Child Pornography Charges
The Justice Department said investigators found thousands of pornographic images and videos of children during a search of his California home in December.

Bernie Sanders Derides Pick of Clinton Allies as Convention Committee Leaders
Mr. Sanders is seeking to bar allies of Hillary Clinton from leading the powerful rules and platform committees of the Democratic National Convention in July.

Hillary Clinton Struggles to Find Footing in Unusual Race
Anxiety is spreading among Democrats that Mrs. Clinton has yet to find her footing, and that her campaign is still unsure how to combat Donald Trump.

Pleading for Peace in Chicago: ‘We Could Be Looking at a Blood Bath’
Dreading the arrival of summer, historically the city’s most dangerous season, residents and leaders called for an end to the surging gun violence.

Paula Broadwell, David Petraeus and the Afterlife of a Scandal
One has moved on. The other is still wondering how she will.

Marcus D. Gordon, Judge in ‘Mississippi Burning’ Case, Dies at 84
Four decades after three civil rights workers were kidnapped and killed, the judge sentenced an acquaintance accused of orchestrating the killings.

Kansas Supreme Court Rejects School Funding Plan, Citing ‘Intolerable’ Inequities
Accusing the Legislature of creating wealth-based gaps among districts, the court reiterated its threat to shut down schools unless the state found a remedy by June 30.

Chris Christie Approves Financial Rescue Plan for Atlantic City
The struggling seaside resort in New Jersey must meet several measures to avoid bankruptcy, or the state will take over, according to the legislation.

National Briefing
News and updates from around the country.

Op-Ed Contributor: To Save Our Justice System, End Racial Bias in Jury Selection
Limit the number of “gut feeling” jury strikes to just one or two per side.

A Challenge to Donald Trump’s Energy Claims: Economic Reality
Energy policy experts who followed Mr. Trump’s proposals said that while some hewed to G.O.P. orthodoxy, others appeared implausible and ill-considered.

Suzanne Corkin, Who Helped Pinpoint Nature of Memory, Dies at 79
Among many other contributions, Dr. Corkin’s work helped settle a debate about the function of the hippocampus in retrieving and reliving past experiences.

Tensions Boil Over at Trump Rally
The police, some using nightsticks, clashed with protesters outside a rally in San Diego for the Republican presidential candidate Donald J. Trump.

Nebraska’s Ben Sasse: A ‘Never Trump’ Holdout in the Senate
To the consternation of many in his state’s Republican Party, Mr. Sasse, 44, has called for someone to challenge Donald J. Trump, the party’s presumptive presidential nominee.

You Know You Should Use Sunscreen. But Are You Using It Right?
Tips from experts on skin cancer prevention and using sunscreen that you’re less likely to have heard.

Donald Trump Rejects Offer to Debate Bernie Sanders
The presumptive Republican nominee said “it seems inappropriate that I would debate the second-place finisher” in the Democratic contest.

T.S.A.’s Long Lines Were Avoidable, Travelers and Experts Say
A program to ease security failed to gain traction with passengers but the cuts it promised were carried out, helping to cause a shortage of screeners.

Canadian Ambassador, a Hero at Home, Tussles With Protester in Ireland
Some in Ireland are unhappy with the ambassador, Kevin Vickers, famous for thwarting an attack in Canada, for interfering with an anti-British protest.

The Winning Words
Jairam Hathwar, 13, and Nihar Janga, 11, were both crowned as champions at this year’s Scripps National Spelling Bee. Watch them spell the winning words.

At 96, Dr. Heimlich Uses His Maneuver
Dr. Henry Heimlich used the life-saving technique he invented on a choking woman at his retirement home.

Donald Trump’s Campaign Stumbles as It Tries to Go Big
The limits of the presumptive Republican nominee’s managerial style, reliant on his gut and built around his unpredictable personality, are becoming apparent.

Study Linking Tumors in Rats to Cellphones Raises a Host of Questions
The study’s authors found that the type of radiation emitted by cellphones had a slightly higher risk of developing cancer, but there were many caveats to the conclusions.

Iowa Court Rejects Life Without Parole for Juveniles
The character of young people is “a work in progress,” the judges said in setting aside the sentence in a murder case involving a teenager.

Matter: Tales of African-American History Found in DNA
Geneticists have studied clues in the DNA of African-Americans about the history of slavery and the Great Migration.

At 96, Dr. Heimlich Uses His Own Maneuver on Choking Victim
“A piece of meat with a little bone attached flew out of her mouth,” Dr. Henry J. Heimlich, 96, who is credited with inventing the technique, said of saving a woman in Cincinnati.

Chicago and Race: Perception, Polling and Reality
Examining the country’s third largest city, and the challenges of polling about race and racism.

Congressman Rebukes Donald Trump, Saying He Received 9/11 Aid Intended for Small Businesses
Representative Jerrold Nadler, Democrat of New York, accused Mr. Trump of exploiting the Sept. 11 attacks and receiving $150,000 in grant money for one of his properties.

After Some Tough Headlines, Donald Trump Celebrates His Good News
Mr. Trump seemed thrilled at a news conference, appearing to bask in the glow of knowing he had done what most pundits and his rivals predicted could never happen.

A Guide to Safety on the Appalachian Trail
“You would think it would be things like wildlife, raging rivers and stuff like that,” an official says. But you should worry about little things like ticks.

On Religion: North Dakota Mosque a Symbol of Muslims’ Long Ties in America
In an election year when immigrants have been made a polarizing part of the discussion, an obscure mosque is a reminder that Muslims have been part of America for a long time.

Die-Hard Bernie Sanders Backers See F.B.I. as Answer to Their Prayers
Some regard the inquiry into Hillary Clinton’s use of a private email server while secretary of state as a key to getting their candidate nominated.

Washington Sends Off a Capitol Hill Watering Hole
Johnny’s Half Shell, a hangout close enough to the Senate office buildings that allowed lawmakers a quick return to work if necessary, celebrated its last night on Thursday.

Curbs Are Lifted, but Water Issues Remain for California
After a relatively wet winter that eased fears of shortages, drier conditions may return to the state, both for the short and long term.

Lawmakers Fail to Clear To-Do Lists Before Leaving for Break
Members of Congress left for Memorial Day after being unable to reach accords on funding the Zika fight, regulating chemicals or passing an energy bill.

Trilobites: Why Are Minneapolis and St. Paul So Nice? Maybe It’s the Parks
The Trust for Public Land ranked 100 urban parks systems around the country, from Minneapolis to Fort Wayne, Ind.

Geraldine Largay’s Wrong Turn: Death on the Appalachian Trail
“When you find my body, please call my husband George and my daughter Kerry,” Ms. Largay, 66, wrote in her diary after she became lost while hiking in Maine.

Yale Professor and Wife, Targets of Protests, Resign as College Heads
The couple stirred debate last fall when one of them questioned a university email warning against potentially offensive Halloween costumes.

Infection Raises Specter of Superbugs Resistant to All Antibiotics
Military researchers identify a patient who was infected with bacteria that are resistant to the last line of defense against drug-resistant germs.

Hillary Clinton Wasn’t Adept at Using a Desktop for Email, Inquiry Is Told
Lewis A. Lukens, a former aide, testified that he had proposed setting up a computer for Mrs. Clinton that would not be connected to the State Department’s system.

Hillary Clinton Addresses Email Questions Again
Mrs. Clinton repeated her concession that using a private email server as secretary of state was a mistake but said voters would consider more important issues.

California Looking Less Like a Sure Thing for Hillary Clinton
Mrs. Clinton’s lead in the state has evaporated, going from seven percentage points over Bernie Sanders in March to within the margin of error now.

Woody Johnson Takes On Role as Fund-Raiser for Donald Trump
The candidate once singled out the Jets’ owner for criticism, but Mr. Johnson will now try to help Mr. Trump raise roughly $1 billion.

National Briefing
News and updates from around the country.