This topic tickles my funny bone - particularly the last few posts between Ustwo and Charlatan.
If one of the questions was "how many Iraqis were involved in the 9/11 attacks", and we didn't let anyone vote who said more than zero, we'd have a different president now.
The tenuous connection between knowledge and education always amazes me.
To the general question, I say nay. I see no practical way to do anything like this successfully. I can appreciate the desire, but I'd vote for universal suffrage every time.