5 live Breakfast - 21/07/2010

An exclusive interview with David Cameron, where he talks about a possible troop withdrawal from Afghanistan starting next year, plus the "essential relationship" with the US. Plus, the fate of the British computer hacker Gary McKinnon, which is followed by reaction from Gary's mother, Janice Sharp. We also look at the issue of ticket machines at railway stations and how they are too confusing fro travellers according to the watchdog Passenger Focus. Also, the latest on Roy Hodgson's attempts to revamp Liverpool Football Club, how Apple managed to chalk up more than $3bn in profit in 3 months - despite problems with the new iPhone and Robert Peston on the news that BP is selling some if its assets to cover the cost of the oil leak in the Gulf of Mexico.