Federal prosecutors have reportedly recommended criminal charges against the aircraft manufacturer Boeing for mismanaging safety features that led to the deadly crashes of two 737 MAX jets, killing hundreds of people, and a whistleblower called it an encouraging sign. “I guess my first reaction is that’s encouraging, very encouraging news, but quite honestly, I’m reluctant to get my hopes up right now,” Ed Pierson told CNN’s Wolf Blitzer on Monday. “Why is that?” asked Blitzer. Want more breaking political news? Click for the latest headlines at Raw Story. “Well it was a recommendation, right?…