Ray McEvilly: A leaders’ job is to maintain American unity

The United States Of America. United? Really?Puritans, slave owners, Native Americans, African slaves, immigrants from almost every country. And, of course, the Civil War. Not exactly Switzerland.Never were we homogeneous. But we had unity as a myth. A good myth, but a myth. In hard times, this myth helped us put aside our differences.That’s why one of the most important, but not appreciated, responsibilities of the office of president, is to keep our diverse country together and speak to