Other conservatives in this dependably Republican state are unhappy with Graham for supporting the failed Senate effort to legalize illegal immigrants and for his role in the 2005 bipartisan compromise that preserved the right of the Senate minority to filibuster judicial nominees. In the midst of this unease, several local Republicans -- including the lieutenant governor -- have floated the possibility of challenging Graham from the right for the GOP Senate nomination next year. In Connecticut, Republican Rep. Christopher Shays has a different problem. Last year, he narrowly survived a Democratic tide that left him the sole Republican holding a...