US intelligence and law enforcement agencies have identified nearly a dozen Americans who have traveled to Syria to fight for the Islamic State, the militant group that the Obama administration says poses the greatest threat to the United States since al-Qaida before the Sept. 11, 2001, attacks.
The United States openly accused Russia on Thursday of sending combat forces into Ukraine and threatened to tighten economic sanctions, but Washington stopped short of calling Moscow's intensified support for separatist forces an invasion.
The subjects were serious enough at President Barack Obama's impromptu press conference on Thursday, but many viewers and the collective press corps seized on something more immediately visible: his tan suit.
An influential U.S. financial services industry group that shares information about cyber threats has said it is unaware of any "significant" cyber attacks, downplaying concerns about possible breaches at JPMorgan Chase & Co and other banks.
Hundreds of items that belonged to civil rights icon Rosa Parks and have been sitting unseen for years in a New York warehouse were sold to a foundation run by the son of billionaire investment guru Warren Buffett, the younger Buffett said on Thursday.