A few weeks back, with thinly disguised excitement, Rush Limbaugh told us the Republican Establishment was going to start an “All out 100 days of steady attacks” against Donald Trump. Oh they are going to “throw everything plus the kitchen sink at Trump” and finally destroy him, we were told in ominous tones. Listening to this “friendly warning” directed at those of us who are Trump supporters was difficult; not because we believed Trump’s “conservative” enemies could actually hurt him, but because it was clear that Limbaugh really believed they could. He was pouring his credibility into the gutter to...