"Tell me I can do this. Stick my hand in a grizzly bear's mouth," Bill Whitaker said as he approached a sedated, 300-pound grizzly in 2020. The 5-year-old bear was measured, blood was drawn, and tufts of hair were pulled for DNA analysis. 60 Minutes @60Minutes · 2026-07-24 你的浏览器不支持视频播放。 0:00 / --:--