Only 100 Al Qaeda jihadis left in Afghanistan?

A senior U.S. intelligence official told ABCNews.com the approximate estimate of 100 al Qaeda members left in Afghanistan reflects the conclusion of American intelligence agencies and the Defense Department. The relatively small number was part of the intelligence passed on to the White House as President Obama conducted his deliberations…

Intelligence officials estimate there are several hundred al Qaeda fighters just across the border in Pakistan…

With 100,000 troops in Afghanistan at an estimated yearly cost of $30 billion, it means that for every one al Qaeda fighter, the U.S. will commit 1,000 troops and $300 million a year.