Fort Drum, NY, Mar 16, 2010 — This month, planes are leaving Fort Drum's Wheeler-Sack airfield with soldiers bound for Afghanistan. About 4,000 troops of the 10th Mountain Division's 1st Brigade are a part of President Obama's surge announced late last year. With roadside attacks and bombings up in Afghanistan, the departure is a painful one for many Fort Drum families. But recently, the author of the best-selling book, Three Cups of Tea, paid a visit to the spouses of Fort Drum's officers. Greg Mortenson builds schools in Afghanistan. As David Sommerstein reports, he brought a sense of hope and purpose to an Army base that's been ground down by repeat deployments.