Barack Obama and Canada's new Prime Minister Justin Trudeau
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Obama and Trudeau trade jokes in Washington

11 March 2016 Last updated at 12:16 GMT

US President Barack Obama and Canada's new Prime Minister Justin Trudeau have lavished praise on each other during the first official visit by a Canadian leader in nearly 20 years.

The leaders marked the occasion with a state dinner and the White House, making time for some light-hearted jokes.