Hilarious: Boris Johnson watches the rowing at London 2012

London Mayor Boris Johnson gets to grips with the Olympic rowing, struggling to distinguish between the half way and the finish line. Report by Sophie Foster. More Boris Johnson: Boris stuck on a zip wire: youtu.be Boris reveals the Queen loved her role in the Opening Ceremony: youtu.be Boris on the Letterman show: youtu.be Subscribe to ITN News! www.youtube.com Like us on Facebook: www.facebook.com Follow us on Twitter: twitter.com