As an example, Randi and the AFT are out with some new proposals re. the unconscionable protecting of bad teachers (it's a good step forward for the AFT, but note that the NEA is NOWHERE on this):

Responding to criticism that tenure gives even poor teachers a job for life, Randi Weingarten, the president of the American Federation of Teachers, announced a plan Thursday to overhaul how teachers are evaluated and dismissed.

It would give tenured teachers who are rated unsatisfactory by their principals a maximum of one school year to improve. If they did not, they could be fired within 100 days.

Teacher evaluations, long an obscure detail in an educator's career, have moved front and center as school systems try to identify which teachers are best at improving student achievement, and to remove ineffective ones.

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Leader of Teachers' Union Urges Dismissal Overhaul

By TRIP GABRIEL

Published: February 24, 2011

www.nytimes.com/2011/02/25/education/25teacher.html