US ambassador Matthew Barzun
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US ambassador learns Welsh ahead of Nato summit

31 August 2014 Last updated at 11:09 BST

In advance of President Barack Obama's visit to Wales for the 2014 NATO Summit, US ambassador Matthew Barzun has been learning Welsh.

He can be seen rehearsing a welcome speech and even manages to successfully pronounce the name of the Anglesey village Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch, which is the longest place name in Britain.

The two-day summit at Newport's Celtic Manor Resort on 4-5 September will be attended by 150 world leaders.