the winners are the kids whose parents can already afford to pay private school tuition.

And the losers are the kids from lower income families who even though they have a voucher, still can't afford to pay the difference between what the voucher will pay and the actual cost of tuition.

You also said:
7. The teachers union is one of the biggest contributors to the democratic party.

Care to back that up with some facts or are you shooting from the hip???

Cheers!
Bill