As long as there has been war, there have been prisoners. And as long as there have been people held by the so-called enemy, there have been some who went free -- whether they escaped, were exchanged or were released. Army Sgt. Bowe Bergdahl is now part of the club. Nearly five years after his capture in Afghanistan, Bergdahl was recently released in exchange for five detainees from the U.S. military detention center in Guantanamo Bay, Cuba. What will Bergdahl do next? Time will tell.