When Paul McCartney played Yankee Stadium in July 2011 for two sold-out concerts, the 69 year old "looked as if he was having a boyish romp," said the "New York Times", marvelling at his 35-song performance. Age hasn't slowed down this former Beatle, nor dampened his ambition. As the most successful musician in pop-music history turns 70 this June, the editors of "Time" will publish a celebration of Paul McCartney's unparalleled career. Written by James Kaplan, author of the acclaimed Sinatra bi...