If Barack Obama is the cool dad of politics, then his Vice President Joe Biden is definitely the goofy uncle. Gaffing his way around America as a part of the Obama 2012 campaign, his latest slip-up involved a particular brand of carbonated soft drink: Dr Pepper.
And though it's not the biggest blooper in the world, it's definitely one of many. Just take a look at this Biden cock-up collection we've got for you below, and prepare to wince as he asks a man in a wheelchair to stand up. Several times.