U.S. issues demands to Venezuela as global tensions heighten; Brown University shooter's chilling confession; U.S. deals with record-breaking flu surge.

The president of Venezuela was taken by American forces and transported to the U.S. Saturday to face federal drug charges.

"This Week" co-anchor Jonathan Karl sits down with House Speaker Emerita Rep. Nancy Pelosi for a conversation about her nearly four-decade career in Washington as she prepares to leave office.

Winter storm pushing across the country ahead of New Year's Eve; new CDC report shows flu cases soaring nationwide; reports suggest CIA drone strike was behind attack on Venezuela port facility.

Winter storm dumps rain and snow on Midwest and Northeast; U.S. strikes ISIS in Nigeria; Sunday meeting planned for Zelenskyy and Trump ...