Changes

==Economic Impact==

==Economic Impact==

The material costs of the attacks are well in excess of one hundred billion US dollars.  Factoring in Stock Market losses, loss of revenue in New York City, loss of jobs, impact on air travel, and heightened security, some estimate the cost approaches two trillion dollars.<ref>[http://www.iags.org/costof911.html The Cost of September 11] Institute for the Analysis of Global Security</ref>

The material costs of the attacks are well in excess of one hundred billion US dollars.  Factoring in stock market losses, loss of revenue in New York City, loss of jobs, impact on air travel, and heightened security, some estimate the cost approaches two trillion dollars.<ref>[http://www.iags.org/costof911.html The Cost of September 11] Institute for the Analysis of Global Security</ref>

Some estimates of the cost of executing the plan place it in the $400,000-$500,000 range, making it an extremely "profitable" operation for al-Qaeda. <ref>[http://www.9-11commission.gov/report/911Report_Exec.htm The 9/11 Commission Report]</ref>

Some estimates of the cost of executing the plan place it in the $400,000-$500,000 range, making it an extremely "profitable" operation for al-Qaeda. <ref>[http://www.9-11commission.gov/report/911Report_Exec.htm The 9/11 Commission Report]</ref>