Perhaps it's easier to believe this about Nixon given his other documented crimes. Or you can just browse the transcripts here to get an idea of what he was willing to do and what his motivations were for making decisions. https://www.nixonlibrary.gov/watergate-trial-tapes
> Nixon did tell the South that he could get them a better deal if they waited until after the election
So whether a more immediate peace deal was likely or not, he made an effort to postpone it. And he had specific personal reasons for wanting it postponed.
Given the other actions he took for personal gain, why should we believe this was any different?
But at this point, we're way outside HN boundaries. So I'll leave it alone.
Perhaps it's easier to believe this about Nixon given his other documented crimes. Or you can just browse the transcripts here to get an idea of what he was willing to do and what his motivations were for making decisions. https://www.nixonlibrary.gov/watergate-trial-tapes