It is, medically speaking, one of the cruelest ways a person can die. An aortic dissection offers almost no warning. No gradual decline. No opportunity to say goodbyes. One moment a man is making phone calls about the SAVE America Act after returning from Ukraine. A few hours later, emergency services are performing CPR at his Capitol Hill residence.

Heart disease runs in the Graham family. His father, Florence Graham, died of a heart attack at 68. Lindsey Graham made it to 71 — working until the very end, logging overseas trips and legislative battles at a pace that would exhaust men twenty years younger. Whether that pace contributed to what

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