Kim Kardashian Kills As 'SNL' Host, with Assists from Kris, Khloe

Kim Kardashian has a message for Debra Messing ... you don't have to be an actor to kill it on "SNL." Kim came out of the gate with some shocking humor ... "I'm a Kim, not a Karen.  Somehow [my mom] just knew.  I don't know how she saw…