Ludacris and a cast of female guests spend his seventh album Battle of the Sexes, investigating relations between the genders. Is there a double ?standard for promiscuity? Is cheating still wrong if it’s with a famous rapper? ”How many women can I fit up in my Cadillac?” Most of these aren’t exactly new subjects for Luda, but as ?always his gymnastic flow and irrepressible personality redeem more tracks than not. B?