The posse album has recently become an integral (albeit rubbish) part of the superstar rapper’s schtick. The idea is that having struck gold alone, the rap star then ropes in his mates for an album to quickly reflect some glory their way, too. G Unit is 50 Cent’s three-man posse, and Beg For Mercy’s their follow-up to 50’s magnificent recent debut, Get Rich Or Die Tryin’. It is…not as good. Get Rich…starred a desperate talent with axes to grind, unveiling sleek, menacing street-funk produced by Dr Dre and Eminem. Beg For Mercy features just a couple of autopilot Dre productions, and is otherwise a pale retread of Get Rich…fashioned by lesser talents. Success, too, has quickly dulled 50’s urgent wit, and he coasts through the affair, happy simply to join in with Lloyd Banks’ and Young Buck’s clich