Let's not forget the part about how the last guy just happened to be on that street to see the Archduke take the wrong turn because he was supposedly buying a sandwich. << "what a crazy random happenstance"
Having grown up and lived under tyranny the Founders understood how power corrupts. What they started meant that NO ONE PERSON could make unilateral decisions. That's what dictatorships are. Anyone with a degree in constitutional law would know that