In 2002 writer and historian, Rory Stewart, walked across Afghanistan. The following year, at the tender age of 30, he went on to become the deputy governor of two provinces in Southern Iraq.Stewart talks about his 6000 mile walk from Turkey to Bangladesh, the kindness of people he met along the way and his love of Iraq and Afghanistan.
Also Former head of the UK's Sport Drug Testing Programme, Michele Verroken, joins Sir David. Verroken says the sport has relied too heavily on drug testing. She also says athletes should face harsher punishment for using performance-enhancing drugs.
