0, Bush, Churchill and Brown are great examples to use to test this hypothesis. Also, Question Time would be exactly the right place to ask about the birth certificate.
You’re very correct in all respects... I just hesitate to praise QT too much to Americans because I’ve noticed a tendency for them to think of it as some sort of silver bullet... I’m Texan born and back here now but I’ve also lived under Westminster systems. Personal experience has taught me that QT has it’s limits and I just try to remind people of that.