Also new details about the denmark terrorist. Jail time a history of violence. No not a terrorist because i thought he was Something Else you know . I thought he was, you know a street kid, you know like i didnt thought that he was going to go on and do this. What was it about american gang life that appealed to him. Plus a West Virginia fireball. A train carrying oil derales and explodes spilling into a river. What it means for drinking water. And spinning out. Parts of the south and midatlantic iced over. The dangerous commute now underway. Lets talk live in the cnn newsroom. And good morning. Im carol costello. Thank you so much for joining me. Fighting terrorism before it takes root. Today the white house leads a new effort to address violent extremism and the role social media plays in recruitment. Some 60 nations are sending high level representatives to a threeday summit. This as a new poll shows most americans have lost faith in president obamas fight on isis. This Facebook Pag