we'll be joined by michael holland for answers when all of this will resolve. people are told not to return after a fiery train crash in maryville, tennessee, south of knoxville. freight train carrying toxic chemicals, early this morning derailed. no one was hurt. no word on the cause of the crash. >>> a new poll shows presidential hopeful bernie sanders closing in on hillary clinton in iowa. clinton now leads among likely democratic caucus goers 52% to sanders 33. clinton's 19-point lead may seem like a lot, and it is, in may she led sanders by 45 points. sanders managed to jump 26 points in the polls in a single month from supporters who showed up in record numbers at his wisconsin rally. some reports have the head count at, are you ready? 10,000 people! joining us national review editor fox news contributor, rich lowry. conservative strategist black rock senior director lisa boothe, good to have you with us. >> hi, lou. lou: start lisa, with you. 10,000 folks bernie sanders. is that a tilt we're all sensing here? >> that's a lot of people. here look, the dif