I don't think it can, on that scale.

Over There, the bombers look like the rest of the population. Over here, they'd have to recruit from the following groups to be able to blend in (U.S. Census Data for 2000):

• White - 75.1%
• Black - 12.3%
• Hispanic - 12.5%
• Asian - 3.6%

That's over 100% actually, I'm assuming it's because some identify with more than one classification.

In my opinion, all suicide bombings would do here would be to make it extremely uncomfortable to appear to belong to the same ethnic group the bombers do. Sure, John Walker Lindh was white, but I doubt there's enough like him to provide a sufficient pool of volunteers.

Could be wrong. But the fact that we are a "melting pot" works to our advantage, I think.