You mean tea-party candidates like Thompson and Allen?
/sarc
Most of his critics point to his voting record ~ which, like almost any voting record, will seem to have him voting against interests you hold near and dear ~ but that's an artifact of the number of times Senators' vote plus the result of negotiations and swaps.
Unless you follow the debates and multiple votes you can't really tell what these guys are doing.
George is, in general, more Conservative than most Republican members of the Senate for the last century, and it's hard to find someone more Conservative than that.
LOL! Tell it to Cruz and Mourdock!
Add Connie Mack. He’s a consummate party guy. Most of the tea party candidates jumped out of the Florida race because Mack had all the ties to money and political connections to win the primary. Now he’s running a ‘less than optimal’ campaign against an unpopular incumbent.