Is yesterday morning, a bridge in ukraine suffered massive damage. ukrainians express great excitement about the disaster. ukrainian's twitter account said, sick burn. the explosion was undoubtedly a setback for russia, part of a month-long string of them. retired general wes clark joins us now to help us understand what's going on. he's a former supreme allied commander of nato, who is now a cnn military analyst. wes, the crimean bridge, i heard people say things like this is a body blow, because the russians will not be able to resupply. but i heard people say they can repair this easily. ho...