Are Congressional Republicans Doing Enough to Defend President Trump?

Former FBI Director James Comey played his assigned part in the Deep State attempted coup against President Trump, and Democrats and the media quickly used his testimony to claim that Trump has committed an impeachable offense. Republicans in Congress, however, were notable for handling Comey with kid gloves. They left it to the conservative alternative media to tell the truth about Comey's testimony. Did Republicans do enough, or must they greatly increase their efforts in defense of the President?