Potential buyers got some extra motivation on Tuesday when mortgage interest rates dropped another half percent. Priya David reports. Duration : 0:1:53 addthis_url = ‘http%3A%2F%2Fmortgagenashville.org%2Funcategorized%2Ffalling-mortgage-rates’; addthis_title = ‘Falling+Mortgage+Rates’; addthis_pub = ”; Technorati Tags: buyers, david, foreclosure, homeowners, mortgage, priya