By Efrat Shapir A student this summer asked me about the purpose of being at school all day. “Can’t you just teach me all that I need to know in say a two-hour window and let me go home?” he asked. My response rambled on about how school prepares students for the workplace. Of course, this same question applies to the workplace: do we really have to work all day instead of getting what needs to get done done and be done for the day? In both cases, this is a legitimate questio