Tim Vine review " high-class Christmas-cracker gags
Fairfield Halls, CroydonThe current Edinburgh's funniest joke incumbent proves his mastery of the obscure pun " but doesn't seem to have much personal stake in his material"I decided to sell my Hoover," ran the joke that won Tim Vine the prize for Edinburgh's funniest joke on the fringe last year: "Well, it was just collecting dust." Collecting dust is precisely what Vine doesn't do on stage. The pun man's live act m…