CBS LAS VEGAS- In a major setback for gun control advocates, the Senate Wednesday voted down a key amendment to the embattled Democratic gun bill, signaling the increasingly dim prospects of any meaningful legislative action aimed at strengthening America’s gun laws. Senator Dean Heller and other Senators voted against the bipartisan gun bill that would of expanded background checks to purchase fire arms. Brian Fadie, Executive Director for Progress Now Nevada, reacts to the news that the gun legislation didn’t pass in the Senate. Was Dean Heller right in voting no on the Toomey-Manchin background check bill? Callers tell us if Dean Heller was right in voting no on the gun bill.