Tim Vine wins Dave award for funniest joke of Edinburgh fringe festival
Hoover wisecrack wins almost 20% of public vote and makes one-liner standup Vine first comic to win award twice' 10 funniest jokes at the Edinburgh festivalTim Vine, the proclaimed king of one-liners, has again proved the power of his puns by becoming the first comedian to win the award for funniest joke of the Edinburgh festival fringe more than once.Vine claimed the prize this year with the quip: "I've decided to s…