After years of tense relations between teachers' unions and the growing charter school movement, unions are stepping up their efforts to organize educators at the independent public schools. So far, the results of the increased organizing activity-which stretches from Massachusetts and Pennsylvania to California appear modest. But it remains to be…

An astounding construction feat of Chinese Americans was the work done on the western section of the transcontinental railroad. The groundbreaking ceremony for the new line took place in Sacramento in 1863, but up until 1865, less than 50 miles of running track had been laid, and this was over relatively level land. The construction superintendent…