Live discussion with Rebecca Skloot

A live chat with the author of "The Immortal Life of Henrietta Lacks"

Powered by ScribbleLive Content Marketing Software
Photo

Iran, powers push for nuclear deal as clock ticks toward deadline

LAUSANNE, Switzerland - With a deadline hours away, Iran and six world powers ramped up the pace on Tuesday in negotiations over a preliminary deal on Tehran's nuclear program, while officials cautioned that any agreement would likely be fragile and incomplete. | Video