Senator Ruben Gallego (D-AZ) is irate over news that his colleague, Sen. Mark Kelly (D-AZ), is the subject of a Department of War investigation for taking part in a video urging military members to defy orders from their superiors.So much so that he's seemingly issuing threats to anyone who takes part in that investigation.A Department of War statement issued Monday stated Kelly had been accused of "serious allegations of misconduct" and that further actions against him are under consideration—including a potential court-martial or other "administrative measures."Gallego, in an interview with CNN, warned service members that once President Trump leaves office,...