. >>> you might still call them buffa buffalos. >>> no matter what you call them bison are the officiall of the united states. >> president obama signed a bill today honoring bison. >> bison were saved from extinction more than 100 years ago. >>> as we come on the air in the west tonight, late word of a tornado on the ground. the twisters now turning deadly. the pictures coming in now. >> here is the tornado right here on the left-hand side of your television screen. >> meteorologists warning of its power and size, after 15 reported twisters already. the monster tornado a quarter mile wide. winds up to 130 miles per hour. the drivers who nearly slammed into it. millions at risk tonight. >>> also breaking, the hunt for the fugitive in the east. the moment police get word he could be in the area, and what happens next. our correspondent on the scene. >>> major developments tonight in the race for the white house. donald trump and what he now says about raising taxes. and what did he mean by this about women? >> the women get it better than we do, folks. >> and new tonight, house speaker p