Downhill after 40

Kasparov has been asked to enter politics – Russia’s answer to Arnold Schwarzenegger – but is undecided. Soon he may have time for it. Surely, at 40, his chess mind is in decline? “Absolutely! You can’t throw energy of nuclear size into the game. Obviously you’re losing concentration with age. Because at age 20, you have virtually nothing to worry about. At age 40 you have family, or kids, you have maybe businesses, you have other problems. You have bunch of problems!” [FT.com / Arts & Weekend]