“You might assume that for something as important as presidential succession, the world’s most powerful nation has it down to a science … But in reality, the system is far less clearly delineated, and dogged by questions that are likely to begin the moment it’s pressed into action. I’ve spent the last three years researching a forthcoming book on the government’s doomsday plans, and one fact that emerged starkly is just how uncertain the whole process is.” From Politico: Who’s In Charge of America After a Catastrophe? Who Knows?