YORK, Maine — Graham Platner says he will push Democrats to rethink their vision of power and pursue an aggressive agenda if he’s elected the next U.S. senator from Maine . In an interview Friday, Platner called for replacing Senate Minority Leader Chuck Schumer, D-N.Y.; organizing an anti-war movement; removing two conservative Supreme Court justices; potentially expanding the court and weakening the filibuster. He also talked about what committees he wants to serve on and said he sees himself