Reg Weaver, President of the National Education Association, took to the podium in Boston this week to say that John Kerry was his man. And why not? Nearly one in 10 of the delegates to this week's Democratic convention belongs to a teachers union. ... The little scheduling snafu notwithstanding, if you're a teachers union leader, what's not to like in a candidate who has called for "fully funding education, no questions asked?" ... When we cross-referenced spending increases with the National Assessment of Educational Progress reading scores, we found virtually no link between spending and performance. ... Surely it's...