It worked once -- and Big Time -- but that was more in response to fending off an evil Bubba in office.
There seems to be few high-profile members of the House or Senate (except for Tancredo and a couple of others) willing to risk their own personal power for the sake of spearheading a definitive GOP agenda...
Might the evidence suggest that this may be because the "new" GOP no longer considers a committment to conservatism crucial to its base?
And why did we have an evil Bubba in office? Because of so called "conservatives" who wanted to "send a message", that's why.