Sometime in our life, each of us has thought, “have I done anything worthwhile?”  As we get older, we think about this more and more.   Most of us have dreamed about being an explorer, medical researcher, or astronaut – or perhaps dreamed of inventing something that will make millions of dollars.  However, it is the little things that we do every day that may give us the best opportunity to do something worthwhile – to make a difference. ...