Lyric discussion by mumajor 

Here's something to muddle all conclusions:

The person of the title is Rikki Ducornet, see page 3 of:

ew.com/ew/article/0,,1174152,00.html

The short story is that Rikki was the young, pregnant wife of a professor at Bard that DF had a flirtation with.

In July 1979, while hitchhiking near Stafford, Arizona, I met an old man by the side of the road who tried to convince me that the "Rikki" of this song was Richard Nixon.

An error occured.