On the Winter Soldier website, Kerry met with the communist delegations in June. He honeymooned the month before the wedding?
"This sentence is particularly important in light of John Kerry's admission that he met with leaders of both communist delegations to the Paris Peace Talks in June 1970, including Madame Binh, foreign minister of the Provisional Revolutionary Government (PRG) of South Vietnam, also known as the Vietcong. FBI files record that Kerry returned to Paris to meet with the North Vietnamese delegation in August of 1971, and planned a third trip in November."
http://ice.he.net/~freepnet/kerry/staticpages/index.php?page=puppets
May 23, 1970 -- Kerry marries Julia Stimson Thorne in New York.