Oliver also noted that Trump has defended the use of nuclear weapons in Europe, offering such iron-clad justifications as, “Europe is a big place.” (That’s barely a good enough reason the pee in the ocean, Oliver remarks.)

Trump’s comments came at the worst possible time—before the Nuclear Security Summit held in Washington, DC last week, where more than 50 world leaders gathered to discuss how to prevent nuclear terrorism. Oliver showed a clip of president Barack Obama’s dry response to Trump’s comment:

“The person who made the statements don’t know much about foreign policy, or nuclear policy. Or the Korean peninsula. Or the world generally.”

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