Alex Cohen is the Director of Learning and Evaluation for the Richard M. Fairbanks Foundation. Can a young, 20-something who just walked off the stage, college diploma in hand, step into a classroom and, with relatively little training, effectively teach in one of our nation’s more challenging K-12 environments? Finding talented teachers for high-need schools […]

减少香烟中的尼古丁含量可能会导致一些目前吸烟者吸烟更多——至少在短期内是这样。但也有证据表明减少香烟中的尼古丁有助于减少吸烟。