Did Lyndon Johnson want to put an African-American into space?

Somewhere (I believe it was NPR) I heard that Lyndon Johnson wanted a black astronaut ( they mentioned Mercury 7) as a way to help ease racial tensions. Is this true, and if so was there someone he had in mind?

Are you thinking of this (satire):

http://observe.arc.nasa.gov/nasa/ootw/1998/ootw_980211/bio_9.html

http://www.spaceref.com/news/viewpr.html?pid=7273

Looking at the timeline, there was not much of a chance for a Mercury or a Gemini mission, but they could had been there for Apollo if they had survived.

They? put “him” on the post instead of “they”, just got my coffe now…

Did he want to bring him back?