Are Miami home prices really cratering? With expert Ken Johnson

INSURANCE, REPAIRS and high costs are just some reasons being given for a downward trend in home values in South Florida of late, but out guest KEN JOHNSON crunches numbers across the nation and his conclusions are -- different. If you have to pay for a roof over your head -- buy, sell, or rent --- it's a show you don't want to miss. Ken Johnson is the creator of a widely-known index that helps…