Report Predicts Price Declines In 100 U.S. Cities Over Next Few Years . . . Home buyers have another reason to sit on their hands. In the latest news from the slumping U.S. housing market, a report released this week says that median house prices are likely to decline more than 10% over the next few years in 20 metro areas, including Las Vegas, Tucson, Ariz., and Washington, D.C. The report, by Moody's Economy.com Inc., a research firm in West Chester, Pa., also says that the slump won't end quickly. Indeed, according to the report, prices may keep falling until...