I disagree with you on polio eradication. Eradication is a risky bet, but it is also one time investment that yields benefits year after year. It is risky becau

I disagree with you on polio eradication. Eradication is a risky bet, but it is also one time investment that yields benefits year after year. It is risky because most of benefits are realized only if you reach zero: below 500 per year is very different from zero. In other words, it is a risky bet in part because people think like you.