Former President Donald Trump’s attorney John Sauer triggered outrage from the legal community on Tuesday after arguing to a three-judge panel of the D.C. Circuit Court of Appeals that former President Donald Trump would be immune from prosecution even if he ordered a drone strike on one of his political opponents. Even former Trump White House lawyer Jim Schultz found that argument ridiculous, in discussion on MSNBC Tuesday evening. “Donald Trump made a decision to sit in that courtroom,” said anchor Ari Melber, himself an attorney. “You were a White House lawyer … do you think in your expe…