Legal reporter Elie Mystal shredded former President Donald Trump and his MAGA supporters on MSNBC on Wednesday citing years of disrespectful and boastful behavior surrounding the Sept. 11 terrorist attacks. Aside from his false claims about his own proximity to the attacks, and seeing thousands of Muslims celebrating the towers falling in New Jersey, Trump doubled down this week by attending a memorial with Laura Loomer, a far-right 9/11 truther whom even Rep. Marjorie Taylor Greene (R-GA) has denounced as “extremely racist.” “He did this today and because Donald Trump does so many despicable…