In the first week of October 1918, 600 men attacked in Europe's forbidding Argonne Forest. Against all odds, they surged through enemy lines -- alone. They were soon surrounded and besieged. As they ran out of ammunition, water, and food, the doughboys withstood constant bombardment and relentless enemy assaults. Seven days later, only 194 soldiers from the original unit walked out of the forest. The stand of the US Army's "Lost Battalion" remains...