John Dickerson at Slate has an entire article comparing President Obama to Commander Spock. Spock is famously logical and not prone to emotional outbursts, but he could also enter the minds of others and was therefore more empathetic than his human colleagues. These traits reminds Dickerson and others of our president, especially on occasions like his speech at Notre Dame. Wesley Smith has a good critique of that speech, but the analogy has another problem.
If Barack Obama is like Spock, what happens when every seven years he goes into heat, contracting a blood fever, becoming violent, and dying if he does not mate? A question that provokes much deep thought in Star Trek-loving political analysts everywhere, to be sure.