The Urge to Explore

In article .com,
" said:

Incidentally, what-iffers may not be the only people interested in
BBC 7 - http://www.bbc.co.uk/bbc7/drama/7thdimension.shtml -
re-running the radio serial dramatisation of Stephen Baxter's
_Voyage_ (again), next Mon-Fri. This is the one where a nuclear
Mars rocket programme is launched after President Kennedy opens
his damfool mouth during TV coverage of Apollo 11 and says they
should do that.

Robert or Edward? Or was John defeated in 1964, and then elected
again in 1968?

--
William December Starr