Why Didn’t Mick Jagger’s Solo Career Ever Really Happen?

Reassessing a Rolling Stone alone, on his 79th birthday

By now you’ve no doubt heard the comparison: It’s the one that deems Harry Styles, aka the new king of pop, the second coming of Mick Jagger.

Sure, there’s a distinct physical resemblance — I’ll give them that. And just as Jagger, who turns 79 this…