THE NEW YORKER CARTOON CAPTION CONTEST

Every week The New Yorker asks its readers to caption a cartoon and vote for their favourite entry. 

I never win, but I like to keep measuring myself against an army of American tweeters. Here are my best attempts.

Sorry, we don't usually drink with suckers...
Apparently, global warming deniers CAN read...
This 1-month Detox Smoothie Challenge is turning your head, Jack!