President Obama's second state dinner Wednesday night was a feast of glamour, gags, and gossip with a touch of politics - and not a single gatecrasher. The event's chief head-turners were First Lady Michele Obama, resplendent in a shimmering, cobalt blue, one-strap gown by Peter Soronen; as well as Gayle King and Eva Longoria Parker decked out in orange toga-syle affairs...