ABC's Wide World of Sports, great program, gave coverage to drag racing during it's 1967-72 heyday
this 1970-72 coverage clip was found on http://www.dogfightmag.com/2010/07/the-wide-world-of-sports among a lot of other great stuff... you ought to check out http://www.dogfightmag.com/ there is a lot of good stuff there
for 1967 clip from ABC's Wide World of Sports:
http://choosingscars.blogspot.com/2009/02/don-garlits-wins-1967-us-nationals.html