Sources: Grand jury to investigate Orlando shooter's widow

Federal investigators digging for clues in the Orlando nightclub massacre are zeroing in on Noor Salman, the widow of gunman Omar Mateen.

Obama meets with Dalai Lama, angering China

President Barack Obama met privately at the White House Wednesday with the Dalai Lama, a session that predictably sparked anger among Chinese officials who accuse the Tibetan spiritual leader of sponsoring a separatist movement.

Chinese ship 'shadows' U.S. carrier

A Chinese ship was "shadowing" a U.S. aircraft carrier in the western Pacific on Wednesday, a U.S. official told CNN.

Iran: UK-Iranian attempted to overthrow government

A British-Iranian dual citizen has been accused of attempting to overthrow the Iranian government, according to a statement from that country's Islamic Revolutionary Guard Corps.

Obama goes on tirade against Trump over 'dangerous' Muslim ban, 'radical Islam'

President Barack Obama lit into Donald Trump Tuesday, turning the tables to make the impassioned case that Trump is the one who's un-American.

Source: Orlando gunman told wife of interest in a terror attack

The wife of Orlando nightclub shooter told the FBI that Omar Mir Seddique Mateen said he wanted to carry out a jihadist attack, though she denied knowledge of his plans to launch the deadliest mass shooting in U.S. history, a law enforcement official told CNN on Tuesday.

Clinton, Sanders meet; Clinton wins D.C. primary

Hillary Clinton and Bernie Sanders met privately at the Capital Hilton in Washington on Tuesday evening, just after Clinton won the final contest on the Democratic calendar in the District of Columbia.

Witness: Orlando shooter laughed during rampage

Norman Casiano crawled into a bathroom and wedged himself into a stall, crammed with at least a dozen people. They were hiding, crying and saying prayers under their breath.

Orlando shooting: What motivated a killer?

While the bodies of Omar Mateen's victims were removed from Pulse nightclub overnight, investigators worked Monday to determine what motivated the Florida killer responsible for the worst mass shooting in U.S. history -- a man the FBI knew was sympathetic to terrorism and had previously investigated.

Microsoft to buy LinkedIn for $26 billion

In one of the biggest tech mergers of all time, Microsoft said Monday that it's buying LinkedIn in a deal valued at $26.2 billion.