We asked readers to submit their funny caption for this image of Mitt Romney, Paul Ryan, and wife Janna Ryan laughing up a storm on the campaign trail. Below are some of the best responses.

(REUTERS/Shannon Stapleton)
[<a href="http://storify.com/TheWeek/caption-contest-winners-cracking-up-on-the-campaig" target="_blank">View the story "Caption contest winners: Cracking up on the campaign trail" on Storify</a>]