i'm dave briggs. it is 5:30. st. patrick's day was festivus in the white house. we'll get to that. little tout where tdoubt where president's head is. while allies mourn the attack in new zealand, the president unleashed a twitter barrage. the question is why. he was busy lurching. among grievances, gm, autoworkers union, snl reruns, hillary clinton, rmt, evobert m and fox news and the late john mccain. >> he criticized him for his ties to the controversial russian dossier. also going after mccain for his vote against repealing obamacare. >> and a strong response from mccain's daughter, she tweeted in one will ever love you the way they love my father. i wish i had been given more saturdays with him. make spend your with your family instead of on twitter obsessing