With investigations into U.S. Attorney General Eric Holder’s complicity in the Fast and Furious guns to Mexico criminality gaining steam, and public appetite for another U.S. war in another Mideast nation waning, President Barack Obama needed a big play. What he got was a four-base error. At a news conference last week announcing a thwarted assassination plot, Holder said the plot was the work of the Islamic Revolutionary Guard Corps, which is the guardian of Iran’s 32-year revolution, and the Quds force, its covert, operational arm, according to a (Reuters report) “High-up officials in those (Iranian) agencies, which is an...