<p>I saw Wendy Kopp from Teach for America being interviewed by Malcolm Gladwell recently on C-Span. While she is clearly no fan of the teachers union or our system of tenure she says the view that these two factors are overwhelmingly responsible for our low rate of teacher turnover is misplaced. She said that there is not a significant difference in the rate of teacher turnover whether there is a strong collective bargaining system or strong tenure system. In fact she said the rate of teacher dismissal in districts or systems without tenure or unions is not significant in comparison to systems with strong unions and tenure systems. She felt battling these areas was not the fight to wage to improve education.</p>