Incivility: Teamsters boss Jimmy Hoffa Jr. introduced President Obama to union hordes by declaring war on the Tea Party and offering him an army against Republicans. Why no condemnation from "The Great Uniter"? When President Obama held a rally at a sports arena in Tucson in January after a madman went on a shooting spree that maimed Rep. Gabrielle Giffords, D-Ariz., and killed a federal judge and a civic-minded 9-year-old girl, he called for "more civility in our public discourse." "We should be civil because we want to live up to the example of public servants like John Roll and...