Three conservatives, Arizona sheriff Joe Arpaio, Alaskan GOP Senate nominee Joe Miller and, of course, Samuel Joseph Wurzelbacher (also known as “Joe the Plumber”) teamed up Thursday night for a launch party and fundraiser for “The Campaign to Defeat Barack Obama,” a group dedicated to ousting the president in 2012. The newly formed group recently ran ads praising Republican Gov. Scott Walker for his stand against labor unions in Wisconsin.