Despite President Obama’s repeated claims to change the tone in Washington, the White House has no comment this afternoon on incendiary statements made by a union leader who spoke before the president at today’s Labor Day rally. Warming up the crowd before President Obama’s speech in Detroit this afternoon, Teamsters President Jimmy Hoffa, Jr. warned the largely-union crowd that the Tea Party was waging a “war on workers” and said that, come November, they should “take these sons of bitches out.” “We got to keep an eye on the battle that we face: The war on workers. And you see...