The Justice Department released a chilling letter written by would-be Trump assassin Ryan Wesley Routh on Monday. The DOJ obtained the letter from a witness who says they received it inside a box delivered to them by Routh several months prior to the assassination attempt. Authorities say the witness opened the box only after hearing Routh was suspected in the attack. The box contained several handwritten letters as well as ammunition, among other things. One of the letters, addressed "Dear World," discussed the assassination attempt. "This was an assassination attempt on Donald Trump but I failed you. I tried my...