The Prime Minister has always been coy about his early career in rock and roll - and today we found out why.Tony Blair has confessed to serious style crimes in his days as front-man for a student pop band, not least how he shamelessly mimicked Mick Jagger on stage. Mr Blair admitted strutting through renditions of the Rolling Stones' Honky Tonk Woman, one hand on hip and wagging his finger in the Jagger mode. He dressed in "massive flares", exposing four inches of bare midriff under a cropped, hoop-necked T-shirt. And although the venues were only village halls and university...