OK, we all know you’re not a scientist. You might even be a college drop-out. You might have personal beliefs that are a little wacky. But when you’re running for office, any office, even the presidency, it is understood that you’re not going to micromanage every single detail, and one of the things we’re going to expect of you is that you’ll delegate responsibilities to qualified, intelligent underlings.
So when you’re asked a question like “Do you believe in evolution,” there is a good answer and a bad answer.