This episode of NPR's Up First covers several developing news stories. First, it discusses the legal battle between President Trump and California's Governor Newsom over control of the National Guard in Los Angeles, including the court's decision to side with Trump for now. Second, it examines the debate among Trump's supporters regarding potential US strikes against Iran, with some fearing it betrays his "America First" promise. Finally, the episode reports on diplomatic efforts by European countries to mediate the conflict between Iran and Israel, including potential military actions.