(Photo by Kevin C. Cox/Getty Images)DETROIT – The search for a new Detroit Lions general manager is heating up. ESPN Monday Night Football analyst Louis Riddick is interviewing today for the Houston Texans’ general manager job, sources tell @mortreport and me. Riddick then is scheduled to interview Friday for the Lions’ GM job. NFL Network’s Tom Pelissero reports the Lions will interview former Atlanta Falcons general manager Thomas Dimitroff next week. The #Lions plan to interview former #Falcons GM Thomas Dimitroff next week for their GM job, per sources.