The House Republican leadership with its Dec. 3 vote to extend the ban on “undetectable” guns proved again it excels at political cowardice and betrayal of conservatives. Do not bother looking for the roll call of the yeas and nays on the vote, the GOP leaders, working with Democrats, suspended the rules and passed the measure with a voice vote—with maybe 15 actual congressmen on the House floor. In another profile in cowardice, Republicans put up Rep. J. Howard Coble (R.-N.C) to sponsor the bill, H.R. 3626. The 82-year-old congressman announced his retirement a month ago...