Bruce Posner, who hosts the Baltimore-based “Terp Talk” University Of Maryland-themed sports show, is launching a DC version. Starting this month, Posner will be heard Saturdays at 8 AM on CBS’s Big Talker, 1580 AM, WHFS. The DC debut will take place either May 7th or 14th. The five-year-old Baltimore version of “Terp Talk” is heard Thurdays at 6 PM on CBS’s ESPN 1300, WJZ-AM. Posner also hosts “The Sports Maven” Saturdays at 9 AM on WJZ-AM, according to dcrtv.