If Peter King’s brand of Republicanism seems to be on the wane these days, the Long Island congressman isn’t letting it go quietly. Kng, 69, has long been one of the Hill’s most quotable and irascible troublemakers, a frequent presence on cable television with an apparently boundless capacity for outrage. He has fumed over topics as serious as Hurricane Sandy relief and aid for 9/11 responders, and as comparatively trivial as the White House party crashers and the death of Michael Jackson (whom he called a “lowlife” and a “pervert.”) King broke with Newt Gingrich over the government shutdowns of...