It’s coming on Christmas, and boy do the cable channels know it. Here are some of our favorite holiday movies to watch for this weekend: TCM is starting their holiday fare tonight (Here’s their schedule for the weekend). One of our favorites from the bunch is Holiday Affair (9pm), with Robert Mitchum and Janet Leigh (aka the lady from Psycho). Leigh plays a widowed young mother who gets caught comparison shopping, and Robert Mitchum......