Iraqi security forces and allied Shiite militiamen celebrate in central Tikrit, 80 miles (130 kilometers) north of Baghdad, Iraq, Tuesday, March 31, 2015. Iraqi forces battled Islamic State militants holed up in downtown Tikrit, going house to house Tuesday in search of snipers and booby traps, and the prime minister announced security forces had reached the city’s center.

Iraq premier: Troops in center of Islamic State-held Tikrit

Extremists from the Islamic State group seized Saddam Hussein’s hometown last summer during its lightning advance across northern and wester…

FILE - This file photo provided Friday, April 19, 2013 by the Federal Bureau of Investigation shows Boston Marathon bombing suspect Dzhokhar Tsarnaev, charged with using a weapon of mass destruction in the bombings on April 15, 2013 near the finish line of the Boston Marathon. On Thursday, Jan. 30, 2014, U.S. Attorney General Eric Holder authorized the government to seek the death penalty in the case against Tsarnaev. (AP Photo/Federal Bureau of Investigation, File)

Defense rests in 1st phase of Boston Marathon bombing trial

The defense has made it clear from the beginning of the trial that its strategy is not to win an acquittal for Tsarnaev but to save him from…

White House press secretary Josh Earnest speaks during the daily briefing at the White House in Washington, Tuesday, March 31, 2015. Earnest answered questions about Iran and the various conflicts in the Middle East.

No nuke agreement yet: Iran talks push past deadline

Secretary of State John Kerry, who had planned to leave the talks on Tuesday, was remaining.