[WIRE] Independent journalist and podcast host Megyn Kelly laid out her concerns going into a possible 2024 rematch between 2020 rivals President Joe Biden and former President Donald Trump: "They could both die."Noting that Biden, 80, would be 86 years old by the end of a potential second term — and Trump, now 76, would be 82 — she pointed out that both men were at an age when almost anything could happen.