Bono visited Congress to attend a Senate subcommittee hearing on "causes and consequences of violent extremism and the role of foreign assistance" and his speech took an interesting turn. Alongside diplomats and aid experts, Bono suggested that they should be using comedy to defeat ISIS. "It could be the best bulwark we have against violent extremism," he said.

"The first people that Adolf Hitler threw out of Germany were the dadaists and surrealists. It's like, you speak violence, you speak their language. But you laugh at them when they are goose-stepping down the street and it takes away their power. So I am suggesting that the Senate send in Amy Schumer and Chris Rock and Sacha Baron Cohen, thank you."