Now, granted, the question is when, because Vietnam was a long conflict, when was the US finally in too deep? Personally, i'd place that point in March 1965, when Operation Rolling Thunder started and the first US ground troops (as opposed to "advisors" were sent in). Let's say, ITTL, LBJ realizes the futility of continuing, and negotiates, leading to US withdrawal and a neutralized South in March 1965. What next? How is politics, both in the region and in America/the Cold War changed by this? How is pop culture affected? Your thoughts?