>> scott walker becomes the 15th gop candidate to enter the race. now he is outlining it from tax cuts to improving education and isis. also for smaller government giving power back to the state. >> the federal government out of washington send it back to the states. >> you are almost talking about a major restructuring of government. >> big time reform. i think america needs to understand it is a lot easier to talk to a town board member or state lawmaker. >> walker's first official campaign stop is in las vegas today. now to extreme weather around the heartland hunkering down after a confirmed tornado. look at that. touchdown in hutchinson kansas. as many as four tornadoes