I may be a bit quirky in that I care much more about how our candidates view foreign policy in relation to Central and South America than the Middle East, but I really think it is very important. Socialism is creeping up from South America, China is making incursions into the continent, and Mexico is in a civil war.I asked Rick Perry about it.Then I threw a wild card at him — why did Rick Perry get into politics. His answer may surprise you. It certainly puts a more personal, human face on Rick Perry. This is the fourth and final part of my interview with Governor Rick Perry.