Let's begin with a reminder that my position on partisan blame after horrific acts of violence has been quite clear and consistent.  I believe it's almost always grossly unfair, and a cheap political smear, to pin mass murder on mainstream ideological opponents, even by implication.  Leave it to Alexandria Ocasio-Cortez to make the least fair point in the dumbest and ugliest way possible.  Take it away, lady: Ocasio-Cortez: Trump's immigration rhetoric is "directly responsible" for El Paso mass shooting https://t.co/6jZPnAP9wx pic.twitter.com/vWiXGFLD42— The Hill (@thehill) August 6, 2019 Rep. Alexandria Ocasio-Cortez (D-N.Y.) late Monday said that President Trump's divisive rhetoric on...