A couple wayward House Republicans have walked off the reservation and rejected the ideological purity demanded by the party’s conservative base. Rep. Richard Hanna, elected in 2010 as part of the Republican takeover of Congress, lashed out at his caucus yesterday, and Steven LaTourette, a veteran of the Gingrich revolution in 1994, is definitely not much longer for the caucus after announcing a sudden retirement with 99 days to go until Election Day.