As we have discussed here a few times, Democrats often struggle with identifying who the real bad guys are in a conflict. Sure, they had a moment of clarity after 9/11, but that was all too fleeting. They have spent most of the two-plus decades since running interference or being flat-out apologists for anyone with a suicide vest. For the longest time, the Democrats at least managed to keep the most virulent anti-Semitic voices among them out of national office. When Minnesota sent Keith Ellison to Congress in 2007, he would at least try to be coy about his true...