Trump Rally In Chicago Canceled for Security Reasons

Protesters disrupted a scheduled Trump rally in Chicago which forced cancellation of the event. Trump should not be prevented from holding public rallies but we get a valuable lesson from what happened in Chicago.  Trump correctly observed that we have a divided country.  What he did not admit is that his candidacy has exasperated the divisions that exist in the US.  A Trump presidency would be a threat to our system of governance.  He is not respected in his own Party and most of his proposals for change would be vigorously opposed by both of our political parties.