I’ve just written Faithless Execution, a book positing that there is such a solid legal case of high crimes and misdemeanors committed by the president that the time is ripe to build a political case for his impeachment. I have argued, moreover, that the president’s policy of appeasing and empowering Islamic supremacists has been a national-security catastrophe, catalyzing a jihadist resurgence across the Middle East. It is pretty safe to say I am no fan of Barack Obama’s. But it is just as safe to say that for Beltway Republicans to blame Obama alone for the implosion of Iraq —...