. >> in the race for the white house tonight, cruising through new hampshire. senator ted cruz says donald trump is throwing a tantrum. >> the two remaining democratic candidates on the campaign trail today hillary clinton playing catch-up and calling out bernie sanders. >> kind of a low blow. >> new numbers from our exclusive tracking poll are in. who's gaining ground. >> and which group of voters could decide who wins here in new hampshire. you may be surprised. >> a guilty plea for whitey bulger's long-time love. and a huge poll in an airplane, authorities believe a bomb is to blame. >> we begin tonight at 5:00 with