we are doing is i am handing over the planning of what we do do to my colleagues like doctor michael strahdup in the arctic with the russian polar experts looking to see how the ice is behaving, allowing new expeditions where there was ice and there is now water. but i just wonder whether you're. .. again, it's a question of responsibility. you have a teenage daughter. after your first wife died, you remarried. you're a father. and yet, even in, i believe, your 70s, you undertook one of the world's toughest sporting challenges — the marathon des sables in the saharan desert. and that, for a human in good condition in their 20s or 30s, is almost unbearable. how on earth could you do that? well, you have to have a guide who pushes you really hard, more than your own mental process is pushing you. therefore, i went to this guy, rory coleman in cardiff, who took me on, looked to see what i was capable of if driven and did it successfully. so we made the 2.3 million figure that we were after from that particular thing you're talking about. and when you go off on these extraordinary challenges no