LISTINGS FOR THE 40TH SEASON PREMIERE OF "60 MINUTES" SUNDAY SEPTEMBER 23, 2007

PRESIDENT AHMADINEJAD - In an exclusive interview timed to his visit to the United Nations next week, the Iranian leader addresses accusations that his country has given weapons to Iraqi insurgents and is "amazed" Americans would be offended by his intentions to visit Ground Zero. Scott Pelley reports. Robert Anderson is the producer.

POT SHOPS - The law some thought would put medical marijuana in pharmacies has created chaos according to critics, who say there are now "pot dealers in storefronts" who are selling to anyone with a doctor's note. Morley Safer reports. David Browning is the producer.

THE MATCH OF HIS LIFE - At the chessboard, he was a legend, becoming the world's top-ranked player at 22 and remaining there almost continuously until his retirement. But now Gary Kasparov has his hand in Russian politics, where his opponent, Vladimir Putin, seems to have the upper hand. Steve Kroft reports. Andy Court is the producer.