I thought he'd be taller." The joke was illustrated with a photo of him and Reynolds with... the image of Jackman's face placed atop the body of Pratt's 11-year-old son, Jack, whom he shares with ...

There is a point, however, where jokes are not jokes. Everyone has undoubtedly been given the talk on crossing the line into offensive territory.

Jokes are funny because they tap into the brain mechanisms of neural representation, binding, coherence, and competition.

What's more interesting is which of their own jokes the candidates laughed at. These guys are busy, and they're not comedians, so they obviously had help in their joke writing.