Is the goal of teacher leadership to "improve teaching and learning practices?" Well--it's one possible goal. But isn't there a panoply of goals involved in teacher leadership? What about the assertion that we're wrestling with leadership for one reason---to increase student learning and achievement? Pushing teacher leadership into the "practice" box and narrowing its scope to jazzed-up instructional strategies and "measuring" learning is precisely where "reformers" would like to lead us. Notice who's being "influenced" in the definition-- not policy-makers, the media or the general public. Stay in that classroom, teacher. We'll make the big decisions that shape your work.