Why can't teachers end up owning schools, the way waiters can open their own restaurants?

Theres no particular relationship between spending and educational results. Most education spending is actually on salaries, and thats allocated according to political muscle.

I think good teachers are underpaid.

The problem with K-12 education is socialism and the solution is capitalism.

Teacher unions are an interest group that acts in defense of their own interests, which means the union bosses' interests, not the members.

I've been a financial journalist for 30 years.

I think the Republicans are subverted by the fact that so many of their leaders send their kids to private schools, they don't really have the stomach for the fight.