President Obama’s second-term campaign slogan was “Forward,” but instead we’ve got cover-ups, congressional investigations and the government persecution of political opponents and reporters. That sounds like “backward” to me. All the way to, say, 1972. Who would have guessed that just a few months into his second term, President Obama would be compared to Tricky Dick. And by a liberal Massachusetts Democrat — U.S. Rep. Michael Capuano. Republicans could not even have scripted this one. The agency most hated by voters, the Internal Revenue Service, admits to going on a Nixonian witch hunt against Tea Party and conservative groups during...