In response to the Jan. 6 House committee hearings, Republicans are embracing an adage that has served dependably for millennia in sports and war: “The best defense is a good offense.” And the less defensible your position, the more attractive is this ancient maxim. Thus, when former President Donald Trump produced a 12-page response to the hearings, he begins to defend himself only after four hefty paragraphs that assert the dire condition into which the nation has fallen since he left office. Of course, he blames it all on President Joe Biden. Thus, when former Trump senior adviser Kellyanne…