If anyone in the USA, for some extraordinary reason, is still in doubt about whom to choose for President [this was written before the last presidential election but is still topical], I recommend two things. The first is an empiricist approach: you have tried one candidate and he failed, you haven't tried the other. In experimental science it would be reasonable to choose the not-yet-tried possibility. The second thing is, if you haven't already done so, to read "Obama's Muslim Childhood" by Daniel Pipes.The discovery that Obama has been wearing for over 30 years a ring with the first...