Mark Meckler, co-founder of Tea Party Patriots, one of the largest and most prominent tea-party groups, was arrested today at New York City's LaGuardia Airport on a gun charge – despite showing police his pistol permit and explaining that the weapon is registered in California. "Mark Meckler, an attorney and national coordinator for Tea Party Patriots, who holds a concealed-carry permit from the state of California, today was charged with a firearms violation at LaGuardia Airport in New York City," said Brian Stapleton, Meckler's lawyer, in a statement. "While in temporary transit through the state of New York in possession...