A blog reader sends a link to a good piece by a CBS sportswriter who’s traveling the country observing college football. He happened to come to Arkansas for the Alabama game and picked up colorful tidbits along the way, from the Clinton Library in Little Rock (where Bama fans were doing a Roll Tide cheer in Cafe 42) to Fayetteville, where he remarks on the “bipolar” Hog fans — hollering wildly one minute; in mute silence another.