<p>On Thursday’s <em>All In</em> show, MSNBC host Chris Hayes tried to correct Florida Republican Senator Marco Rubio’s assertion that most Americans would oppose a general ban on semi-automatic rifles, but the self-described liberal caricature instead demonstrated that he is uninformed about guns as he assumed that the term “assault rifle,” that is used by gun control advocates, refers to all semi-automatic rifles as if the two terms were interchangeable.</p> <p> </p> <p> </p>