An incredulous former Sen. Claire McCaskill (D-MO) slammed what she called an “activist” U.S. Supreme Court following its ruling on presidential immunity Monday, a decision she criticized as being dressed up “in federalist bulls—.” Speaking to MSNBC’s Nicolle Wallace, McCaskill, like other legal scholars, argued that the ruling was “terrible” and handed former President Donald Trump a pass on crimes of which he is accused. She prefaced her takedown by pointing to logical and political arguments before the “angry” one. Want more breaking political news? Click for the latest headlines at Raw S…