Warren makes presidential bid official with call for change

Sen. Elizabeth Warren, D-Mass., acknowledges cheers on Saturday as she takes the stage during an event to formally launch her presidential campaign in Lawrence, Mass. (AP Photo/Elise Amendola)

LAWRENCE, Mass. — Democratic Sen. Elizabeth Warren made her bid for the presidency official on Saturday in this working-class city, grounding her 2020 campaign in a populist call to fight economic inequality and build “an America that works for everyone.”