This is why I stopped watching David Letterman even before Jon Stewart came along: He was forever either drooling on women or treating them like they were perfect idiots, in a way he never behaved with male guests. (I did, however, enjoy the appearances of his mom Dorothy, a church secretary who was occasionally able to summon Good Dave, live from her kitchen in Indiana.) At age 62, he shouldn't need Dorothy to tell him that referring to Alaska Gov. Sarah Palin as having updated her "slutty flight attendant look'' is outrageous – and his "joke'' about Palin's daughter was...