WASHINGTON, D.C. - Treasury Secretary Henry M. Paulson Jr. labeled the housing sector as the economy's top threat Tuesday morning, stating that "the longer housing prices remain stagnant or fall, the greater the penalty to our future economic growth." Paulson's remarks came during a speech at the Georgetown Law Center. "The biggest risk is housing," Paulson said. "We're [the government] focused on it because it is the biggest risk." More