You can read some shit about that here, among ten billion other places.
I'm sure there's an official transcript in existence that I can't be arsed to locate, but here is my totally accurate paraphrase of the debate: Blah blah blah taxes blah blah blah Ronald Reagan blah blah blah gay soldiers are stupid blah blah blah tax cuts blah blah blah bootstraps blah blah blah illegals blah blah blah Social Security is a ponzi scheme blab blah blah terrorism blah blah blah Jesus blah freedom blah taxes blah life blah tax cuts blah Reagan blah business blah Americans blah America blah country blah taxes blah fart. The End.