This film is a bit like a political speech. It promises much but rarely delivers. Channing Tatum is the eponymous male stripper who complements his roofing job with some entertainingly provocative dancing with his “Kings of Tampa” at the club of “Dallas” (Matthew McConaughey). Meantime, “Adam” (Alex Pettyfer) is down on his luck and so being easy on the eye and willing, “Mike” drafts him in to show off his wares to the baying hordes of gals up for a good time! Turns out they like him, and quickly he’s making decent money and hopeful of helping his mentor get a club of their own. His isn’t…