The Rolling Stones kicked off their Hackney Diamonds Tour with a two-hour show at NRG Stadium that included all the singalong classics, a few rarities and lots of Houston shoutouts. Mick Jagger, who turns 81 this year, continues to defy time — and quite frequently gravity. He remains as lithe and limber as a dancer half his age, cavorting across the stage and contorting his body into extreme yoga poses. That elastic energy coursed through show opener "Start Me Up." Jagger wore a silver jacket... Read this story