Thursday marks 50 years since Mick Jagger played his first gig with a band called the Rolling Stones, and the group is marking its half-century with a book and an exhibition of photographs of the band at Somerset House in London. (July 12) Subscribe to the Associated Press: bit.ly Download AP Mobile: www.ap.org Associated Press on Facebook: apne.ws Associated Press on Twitter: apne.ws Associated Press on Google+: bit.ly