[DuncanWaring]

I think I saw the “100 cases in 40 years” originally in the Wikipedia article on it, can’t find it there now though.

Here’s a CDC article on it describing its rarity:

http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6038a1.htm

[Attention Surplus Disorder]

Appreciate the refs. The GOP should hammer 0bama with this, but they are morons and won’t. But I repeat myself.