San Francisco Chronicle columnist Emily Hoeven examines Gov. Gavin Newsom's heightened relevance following the Democrats' stunning presidential defeat. As the party searches for new leadership, California's ambitious governor seems poised to step onto the national stage. But can the telegenic leader of the world's fifth-largest economy translate his West Coast progressive agenda into a winning formula for Democrats nationwide? Hoeven offers her sharp insights on whether Newsom has what it takes to become the kind of Democrat America would embrace.