Trisha Purshouse was a typical American soccer mum. She had it all, a comfy five bedroom home in Orange County, two precocious kids, a busy high salaried business executive husband, two Latino hired helpers for household chores, a lovely enormous RV to scare other motorists, and a healthy bank balance. Sure she was a little bored, and occasionally dreamed of eloping with Sanchez the gardener, but these thoughts were fleeting and apart from a couple of bedroom romps had little impact upon her life.

Then suddenly it all changed. Like cancer, an insidious sense of empathy gradually enveloped her and nothing has been the same since.

Everyone knows he's the richest geek in the world. We all wonder why someone with so much money cuts his own hair. We're intrigued by the recent donation of 50 billion dollars by Warren Buffet to Gate's foundation. And of course there are the persistent rumours that he is evil and bent on world domination from his secret volcano lair outside Seattle. Nikolai finds out the answers to all these questions and more in this candid interview with world's greatest philanthropist: