In this photo provided by ABC News, Army Chief of Staff Gen. George Casey appears for an interview with George Stephanopoulos on ABC's "This Week", Sunday, Nov. 8, 2009 in Washington. AP Photo logo AP Photo 2 weeks ago

In this photo provided by ABC News, Army Chief of Staff Gen. George Casey appears for an interview with George Stephanopoulos on ABC's "This Week", Sunday, Nov. 8, 2009 in Washington.