Exactly. When I bring those names up, I sometimes hear the response that they're Democrats. Well, the important thing is that two of them were President of the United States.
Conservatism wins and leadership wins, and because the top guys in our Congress got us shellacked after failing to lead and failing to be conservative, there are people ready to bail on what works.
BTW, You can add Paul Tsongas to that list of unknowns, though obviously he wasn't the nominee. But everybody knew who he was by the time the primary season was rolling in '92.
I was also thinking this morning about how many have tried to bring up Reagan's "don't speak ill of a fellow Republican" theme. However, that doesn't mean that he didn't believe in campaigning against them and calling them on their nonsense -- keep in mind that Reagan was the ONLY Republican in recent times to challenge an incumbent for the nomination.