You are 100% correct. There is no other prosecutor background republican of Gowdy’s effectiveness out there.
High level officials at the IRS -- not just Lerner -- obviously were engaged in a number of hyper-partisan activities and the targeting of the President's political enemies. Those felonies, by all accounts, continue to go on even now, and despite Zero's promises to "get to the bottom of it" no one has even lost a job or a benefit because of this criminality.
Boehner has indicated he has no intention of applying any teeth to his contempt citation, so with Holder's people, we're obviously back in "no controlling legal authority" territory once more.