Actually, I must admit that the conservative movement has done pretty well since Limbaugh hit the airwaves in 1987, all things considered. Bush,Clinton,Clinton,Bush,Bush,Obama,Obama.
YUCK!
If your only basis for assessment is presidential elections, then you'd have a good point. I'm going way beyond that.
If you really want to vomit, just replace your list with the names of the losing candidates in those elections:
DUKAKIS-BUSH-DOLE-GORE-KERRY-McCAIN-ROMNEY
'Scuse me while I clean up this mess here.