News from NPR

The Federal Railroad Administration has instructed Amtrak to install new automatic control systems on its northbound trains near the area of this week's derailment and to assess risks at all curves.

The U.S. says that Abu Sayyaf, a senior leader of the self-declared Islamic State, was killed during a U.S. military operation authorized by President Obama.

The former president who was ousted in 2013 had already been sentenced to 20 years in prison on other charges. The country's highest religious authority will still review the penalty.

Women and children who entered without visas along the southern border, many fleeing violence in Central America, are housed in three federal facilities.

Judy Clarke has defended everyone from the Unabomber to Arizona shooter Jared Lee Loughner. Until Friday's sentence for Dzhokar Tsarnaev, she had saved her high-profile clients from the death penalty.

The chief executives of Delta, United and American airlines say Qatar Airways, Emirates Airlines and Etihad received subsidies from their governments. The Gulf carriers reject the accusations.

An assistant conductor on the train that derailed Tuesday says she heard a radio transmission from the engineer that the locomotive had been struck. The derailment killed eight people.

"It's hard to stay warm when you're surrounded by cold water but the opah has figured it out," a NOAA Fisheries biologist says.

Also this week, IUDs in Colorado, kinky hair and ideas of beauty, and the fate of Dixie.

Boston Mayor Martin Walsh said he hopes the verdict "provides a small amount of closure to the survivors, families" and others affected by the 2013 marathon bombing.