Two days after Susan Roesgen's much talked-about Chicago Tea Party live shots, we are learning more about what happened off-camera. Sources close to the situation tell TVNewser as Roesgen was reporting her 2pmET live shot for CNN, she heard shouts from the crowd including "Damn CNN" and "Shut up, bitch." As we now know, Roesgen wrapped up the live shot, saying "I think you get the general tenor of this," that it was "not really family viewing" from an "Anti-CNN" crowd. Our source says Roesgen received an avalanche of email messages, some supportive, and some "vitriolic with crude insults." CNN...