I am deeply troubled to read columns like this ( "Improve education, fire bad teachers" ) -- both the title and the content -- from a reputable source like the Center for American Progress (CAP). Much as the likes of FOX News are in desperate need of balance and breadth of perspective, so is this column. Where is the discussion about the need to support teachers to become more effective through improved preparation, stronger induction and mentoring, and job-embedded professional development? What about more than a throwaway line about the role of teacher evaluation systems to provide constructive feedback to help teachers identify strengths and weaknesses and help them become more effective? I don't mean to pick on CAP too harshly, for some of its prior reports (such as this one ) approached the teacher effectiveness issue more comprehensively and accurately. But if all we do is focus on firing teachers, without addressing other elements of teacher quality policy, we'...