It has a pretty good track record of picking the eventual Democratic nominee, but Iowa is not special for the Republican party. It has a poor record of voting f

It has a pretty good track record of picking the eventual Democratic nominee, but Iowa is not special for the Republican party. It has a poor record of voting for the eventual Republican party nominee in races where there is not an incumbent - 2/5 races since 1972. In fact, it has a better track record of picking the GOP outlier.