Sen. John McCain (R-Ariz.) had barely begun to give his acceptance speech at the 2008 Republican National Convention when a clamor went up in the upper levels of St. Paul's XCel Center. Adam Kokesh, a marine who had become a leader of Iraq Veterans Against the War, stood up and unfurled a banner with two sides. On the first side: "YOU CAN'T WIN AN OCCUPATION." On the other side: "MCCAIN VOTES AGAINST VETS."
Security guards went into action and dealt with Kokesh's banner; an irritated crowd of Republicans chanted "USA" until the banner was removed. McCain moved right on, but Kokesh hadn't finished yet.