The big picture is the Lefties of today who were the red-diaper-doper-baby Hippies then, decided in their intoxicated stupor that our trying to prevent a Communist invasion into South Vietnam was bad. Bad America for trying to save millions of lives that would come under the deadly Communist rule.
Well, America pulled out and of course the inevitable happened: the North Vietnam Communists invaded, took over, and over a million South Vietnamese were killed under its rule.
Well, America pulled out and of course the inevitable happened: the North Vietnam Communists invaded, took over, and over a million South Vietnamese were killed under its rule. But, but... The brilliant John Kerry, who served in Vietnam assured us that "only" 5000 might be killed.