Trump claimed that Saudi Arabian Crown Prince Mohammed bin Salman is forced to "kiss his ass" and should be "nice" to him.

"He didn't think this was going to happen. He didn't think he'd have to kiss my ass. He really didn't. … Now he has to be nice to me. Tell him he better be nice to me. He needs to be," Trump said at the Future Investment Initiative forum in Miami, which was organized with the support of Saudi Arabia.

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