Yeah, as always with these news stories it seems like there's some stuff missing. The comments from his wife, though, did imply that he chose not to wear a vest- not that it was lost, etc. That's the part that blows me away.

I wonder if cold wasn't part of it...I wish we knew more. So sad for the family, especially the little boy who lost his daddy in front of his eyes.
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman