Paul McCartney is 83 years old, and he is awfully active right now. Back in March, McCartney announced his new album The Boys Of Dungeon Lane , which includes his first-ever duet with his old bandmate Ringo Starr. Since then, McCartney has been on a promo-tour tear. He played the SNL season finale . He played the final episode of Colbert . He interviewed Paul Mescal , the guy who's playing him in the upcoming Beatles biopics. Today, the album is here, and so is the most important part of McCartney's promo tour. When you think about it, Amelia Dimoldenberg's charmingly awkward celebrity interview series Chicken Shop Dates sits within the same comedic tradition as the 1964 motion picture A Hard Day's Night — that good-natured, bemused, half-ironic British deadpan thing. So it's delightful to see McCartney sitting down for vegan nuggets with Dimoldenberg. Those two just make sense together. Here's one fun exchange: "I saw you before at Glastonbury.…