so when is enough going to be enough? >> senator bill nelson of florida, when is enough going to be enough? the democratic senator up for reelection. they're pushing the united states congress to take some action. he wants gun controls. the president of the united states a short time ago spoke about this. he talked about convening a national conversation with the attorneys general about mental health. so the political conversation about what's next, when is enough enough and what should politicians do, this a day after the deadly tragedy in parkland, florida. last night in that community, 17 families went home without a loved one. at least 14 other families anxiously waiting and waiting for doctors to update them overnight about the injuries of a child, a parent or a sibling. most of the wounded still in the hospital this hour today. we want to warn you many of the images and videos you see throughout the hour are violent and disturbing. some 3,000 students and teachers waiting for...