Despite the millions of dollars of security, helpers and state-of-the-art transport, Barack Obama can still be caught out by the humble step.
We've all been there - negotiated some stairs just a little too enthusiastically forcing us to perform some pretty hasty emergency maneuvers.
Luckily Obama is apparently pretty much unflappable and his recovery is suitably adept which is fortunate as those steps from Air Force One are really high...