Latest line: Warren a winner, Pelosi a loser

Elizabeth Warren

Massachusetts senator moves into the lead (25%) in new KQED poll of 3,325 likely Democratic California voters, ahead of Bernie Sanders (23%), Joe Biden (18%) and Kamala Harris (11%) with less than six months until California primary.

Nancy Pelosi

San Francisco’s House Speaker is embarrassed as former Trump campaign aide Corey Lewandowski testifies to House committee, refuses to answer questions and mocks Democratic members but is not held in contempt by chairman Jerry Nadler.

SFO

Bay Area’s biggest airport finishes runway work a week early that caused big flight delays. But it still has one of the worst on-time rates (71%) in the U.S., due to foggy weather and limited runway space that can’t be expanded without filling the bay.