He started out intending to go to vet school, but had problems with the science courses, especially Organic Chemistry, so he had to change his major to Agriculture. OTOH, he was a very popular Cheerleader in college. Just think, if had been able to pass chemistry, he wouldn't have gone into politics.
Same way with Paul Ryan(Med school) and Tim Pawlenty(dental school). Neither could pass the chemistry courses, had to change majors, and ended up in politics.
Chemistry kicked my ass and changed my path too actually. I know I could handle it now but not back then.