Does Success Boost Domestic Terrorism?

Tom Friedman has up a sobering warning for American's flushed with the relative success of Iraqi elections: If Al-Qaeda loses in Iraq and Afghanistan it may actually increase the odds of an attack in America. Why? Because up until now, the Radical Islamists have thought fighting in the Middle East was to their advantage. If they are defeated their, they may feel their only chance to save face is to do a rerun of 9/11. Or even worse, a bigger-badder sequel.