Sarah Palin endorsed Joe Miller, a 'tea party' candidate expected to lose by a wide margin, in Alaska's GOP Senate primary. But Miller has a slight lead as absentee ballots flow in. Just how influential is Sarah Palin?
Sarah Palin has endorsed conservative candidates in dozens of Republican primaries this year. But her chosen office-seekers have been mostly unsuccessful. Has Sarah Palin lost touch with the Republican primary voters who make up her base?