Foreign Fighters in Iraq?

Saudis' role in Iraq insurgency outlined
Sunni extremists from Saudi Arabia make up half the foreign fighters in Iraq, many suicide bombers, a U.S. official says.
By Ned Parker, Times Staff Writer
July 15, 2007

BAGHDAD — Although Bush administration officials have frequently lashed out at Syria and Iran, accusing it of helping insurgents and militias here, the largest number of foreign fighters and suicide bombers in Iraq come from a third neighbor, Saudi Arabia, according to a senior U.S. military officer and Iraqi lawmakers.

About 45% of all foreign militants targeting U.S. troops and Iraqi civilians and security forces are from Saudi Arabia; 15% are from Syria and Lebanon; and 10% are from North Africa, according to official U.S. military figures made available to The Times by the senior officer. Nearly half of the 135 foreigners in U.S. detention facilities in Iraq are Saudis, he said. ...(more)

With something like 19,000 suspected insurgents being held in Iraq, a 135 foreigners isn't very significant.

There's no mention of any Iranians. That is highly significant.

Observing that foreign fighters make up less than one percent of the insurgents, it's pretty obvious that al-Qaeda isn't going to take over Iraq... U.S. troops or no U.S. troops.