Biggest political gaffes over the years - BBC News

President Barack Obama has sparked a war of words on social media after his less-than-formal salute to Marine guards as he stepped off the presidential helicopter. In this video we're looking at some of the biggest political gaffes over the years. What's your favourite? Subscribe to BBC News HERE http://bit.ly/1rbfUog Check out our website: http://www.bbc.com/news Facebook: http://www.facebook.com/bbcworldnews Twitter: http://www.twitter.com/bbcworld Instagram: http://instagram.com/bbcnews