For well over a decade, Saudi women have been fighting to convince their Islamic rulers to give them driving rights. But now their argument has taken a strange twist, Shikha Dalmia notes. They are invoking the same law that has for centuries subjugated them to argue their case. They claim that lifting the driving ban would be more consistent with sharia that, elsewhere, has been used to circumcise them and make them subordinate to men. Is this a wise strategy?