Anchor: But in the absence of a nation of McCourts, it is also a  reason to insist on greater teacher oversight and accountability and less freedom to do as they please.
Entailed: Teachers have a variable degree of freedom depending on outside circumstances.
Contradiction: No one ever teaches anything to anyone when their are McCourts around.
Contradiction: At lower prices.
Contradiction: More steel may be needed to reinforce 
Contradiction: A blank wall.
Contradiction: Two men are reading.