Fifty years after the last U.S. helicopters left Saigon, why America lost the Vietnam War is elusive. But can a tabletop wargame offer insight?

Former U.S. Air Force Lt. Col. Robert Stirm, a POW during the Vietnam War known for the iconic "Burst of Joy" photo reuniting ...

During the 1971 May Day Protests against the Vietnam War, a crowd of male and female protestors sit together on a sunny day, on 10th St NW, in between the US Department of Justice building (now the ...