Why does Palin think victims of should bear the rapist's child?

Even though 70% of the population thinks that abortion should be legal in cases of and , Palin doesn't think so. Does the fact that McCain and company won't let her talk to media without them have something to do with this? They don't want her to screw up and say what she truly believes in? I know she finally agreed to an interview, her intense schooling must be nearing completion. "Sarah, don't say what you believe in because 70% of the country doesn't agree. Whenever they ask you a tough question, tell them 'John McCain was a POW!'"