Well, there may be a biological explanation why those GOP people are Republicans and show so much fear - this study finds that people who are startled easily are more likely to be Republicans... of course! 
"Individuals who are more easily startled by threats are more likely than others to support protective policies, such as military spending, the Iraq War and the death penalty, finds a new study."
Political Views Driven by Biology | LiveScience
"Individuals who are more easily startled by threats are more likely than others to support protective policies, such as military spending, the Iraq War and the death penalty, finds a new study."
Political Views Driven by Biology | LiveScience