Outsider:  I fear you miss the point.  No one suggested Mr. trump "discussed" moral equivalency.  The issue involves his engaging in the exercise of moral equivalency in his comments.  

The car killing is hardly a "separate" matter.  It was an action taken against the counter-demonstrators by a supporter of white supremacy.  Would you excuse such an action taken by a supporter of ISIS as a "separate matter undertaken by one person"?  Of cours you wouldn't.... Gary Crum