There’s a word you won’t find in the text of Democratic Rep. John Conyers’s new “investigative report” on the Bush administration, “The Constitution in Crisis: The Downing Street Minutes and Deception, Manipulation, Torture, Retribution, and Coverups in the Iraq War, and Illegal Domestic Surveillance.” And the word is…impeachment. Yet the 350-page “Constitution in Crisis,” released last week, is, more than anything else, a detailed road map for the impeachment of George W. Bush, ready for use should Democrats win control of the House of Representatives this November. And Conyers, who would become chairman of the House Judiciary Committee — the...