Reason Morning Links: Sanford Won't Resign, August Deadly Month in Afghanistan, City Streets Go Dark

– South Carolina Lt. Gov. Andrew Bauer calls for Gov. Mark Sanford's resignation. Sanford declines.

– IRS may cut 401(k) contribution limits in 2010.

– August tied for deadliest month in the war Afghanistan.

– Cities turning off street lights to save money.

– Fed official puts real unemployment rate at 16 percent.