Manhattan District Attorney Alvin Bragg’s new court filing that urges an appeals court to extend Donald Trump’s gag order gave terrifying details Friday of new threats against prosecutors. MSNBC legal analyst Lisa Rubin said the latest warnings include “bomb threats at the homes of two people involved in this case” on the first day of the trial, as well as online threats against the D.A. and those working in his office. Posts also appeared online that included the home addresses of those working in the office, she said. Another threat put “sniper sights on people involved in this case or a fam…