Sarah Palin and the Presidential Succession Issue

It's something worth considering since there have been nine "accidental presidents" in American history

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Most political scientists and campaign veterans argue that, in the end, voters make their decision based on who is running for president, not on who would be No. 2. But asking whether a vice presidential candidate is fit for the nation's highest office is not a pointless exercise. It's a question worth asking because, unfortunately, tragedy strikes more often than many people realize.