What's Your Favourite Paul McCartney Story?

Are you going to release Hot Hits and Cold Cuts as part of the McCartney Arco collection? He's arguably got more unreleased material than he has released material. I'd like to ask him would be, look Paul, everyone says that weed has gotten a lot stronger throughout the years. Has marijuana fundamentally changed since the 1960s? Could you have a whole joint to yourself in the 1960s and still get on with recording?