In his masterful commencement speech at Notre Dame this weekend, President Obama took his campaign theme of Change to a whole new level, telling the graduates -- and the rest of us -- that we find ourselves at "a rare inflection point in history where the size and scope of the challenges before us require that we remake our world to renew its promise."
So, as we stand at this inflection point and gradually move from what Jonas Salk called Epoch...
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