Teachers who failA survey of certification-test scores yields alarming results More than half a million Florida students sat in classrooms last year in front of teachers who failed the state's basic skills tests for teachers. Many of those students got teachers who struggled to solve high school math problems or whose English skills were so poor, they flunked reading tests designed to measure the very same skills students must master before they can graduate. These aren't isolated instances of a few teachers whose test-taking skills don't match their expertise and training. A Herald-Tribune investigation has found that fully a third...