The true extent to which Palin-mania has come to dominate the TV news cycle hit home for me last night as I flipped through the channels on the Palin campaign’s charter flight from Reno to Denver. Within a period of about a half hour, I caught the much-anticipated debut of Tina Fey as Sarah Palin on “Saturday Night,” as well as seperate Palin documentaries on MSNBC and CNN. Tina Fey was such a dead ringer for Palin that I was tempted to open the curtains that separate the governor and her staff from the media to make sure she was...