In an interview with CNN’s Piers Morgan (which Alana wrote on earlier this week), GOP presidential candidate Herman Cain spoke out on two contentious social issues–homosexuality and abortion. Let’s deal with each in turn. On homosexuality, Cain claimed that it is a “choice.” If there are any other factors that go into determining one’s sexual orientation, Cain didn’t name them. From my understanding of things, there is no single, simple causation when it comes to sexual orientation. For example, there is no “gay gene” that we know of. (The much-hyped 1993 study by the National Institutes of Health didn’t withstand...