You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
I wonder if Nixon and US Government had understood to use the Chinese-Russian split which according to Wiki reached its peak in the late 1960s for a possible US victory in Vietnam?
Maybe saying to Mao we support You against the Russians if you put pressure on North Vietnam to stop their campaign in the South Vietnam?