Two different events played out on the floor of the House on Tuesday night. The first was President Trump’s powerful, moving, uplifting, and optimistic State of the Union speech. The second was the immature, arrogant, intemperate, and really disgusting temper tantrum in which Democrats indulged. The most obvious sign of a complete mental breakdown on the left was Nancy Pelosi’s conduct during the speech. Her petulant behavior could not be missed because she was seated behind the president, to his left. Whenever the camera was on Trump, it was on Pelosi too. Pelosi's hissy fit first showed itself when Pelosi...