A lot of effort and money are - rightly - expended keeping the president physically safe. But it's up to the president to maintain a schedule that allows for refueling, so as to be physically and cognitively at his or… — Arianna Huffington Copy Share Image
[Running for President is] physically, emotionally, mentally and spiritually the most demanding single undertaking I can envisage unless it's World War III — Walter F. Mondale Copy Share Image
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