U.S. officials said Monday that they were still negotiating with their Iranian counterparts on one of the main issues remaining in their efforts to reach a deal on Iran’s nuclear program - how to dispose of Iran’s big nuclear stockpile - and that shipping the atomic fuel out of the country was still a possibility.

Michael R. Gordon and David E. Sanger
Slightly more than a month after Tom Schweich, Missouri’s auditor and a candidate for governor, took his own life, Spence Jackson, a longtime Republican spokesman who worked for Schweich, appears to have done the same.ELI YOKLEY
Indiana’s legislative leaders on Monday joined Gov. Mike Pence in saying that they planned to amend a new religious freedom law to make clear that it did not allow discrimination against gays and lesbians, while still insisting that the law did not do so in its current form.RICHARD PÉREZ-PEÑA and ASHLEY SOUTHALL
One person was killed in a firefight that erupted Monday after a car with two people tried to ram a gate at the Fort Meade, Md., military base near a gate to the National Security Agency, according to preliminary reports cited by two U.S. officials.Meredith Somers and Lolita C. Baldor
A “sophisticated cyberattack” on Premera Blue Cross affected 11 million people in the U.S. Premera Blue Cross Blue Shield Alaska is encouraging members to apply for free credit monitoring and identity theft services.Laurel Andrews
Trevor Noah, a 31-year-old comedian from South Africa who has contributed to "The Daily Show" a handful of times during the past year, will become Jon Stewart's replacement as host, Comedy Central announced Monday.Frazier Moore
German prosecutors say the co-pilot of the Germanwings passenger plane that crashed in the French Alps had received treatment for suicidal tendencies.Lori Hinnant and Jamey Keaten
The Arab states said Sunday that they had agreed to form a combined military force to counter both Iranian influence and Islamist extremism, a gesture many analysts attributed in large part to their drive for more independence from Washington.David D. Kirkpatrick
Tunisian security forces have killed the commander of the group responsible for the recent massacre of 21 foreign tourists at the National Bardo Museum, Tunisia’s prime minister, Habib Essid, announced Sunday.Carlotta Gall
Grunge was the soundtrack of my Gen X college life. We knew every word to Nirvana's 1991 album, "Nevermind." "I'm so happy 'cause today I found my friends." And the day we found out that Kurt Cobain had died, April 8, 1994, there was a candlelight vigil in the quad.Booth Moore