The best part of this jaw-dropping display of ignorance from MSNBC’s Joy Reid on Christianity? It comes in a segment called — wait for it — “Pretenders”! Reid argues that Sarah Palin, whose latest book celebrates Christmas, was a hypocrite and a bad Christian because … she put up a Christmas tree! Why, the noted Biblical scholar Reid smirked, that’s a violation of Scripture:(VIDEO-AT-LINK)JOY REID, SUBSTITUTE HOST: In “Pretenders” tonight, a merry Palin Christmas. Sarah Palin dropped by Fox & Friends to promote her manifesto on Christmas purity. She brought a treat better than Christmas cookies – family photos. (BEGIN...