President of the United States en McDonald: Recounting chance encounters with POTUSes <p>The late commentator Archie McDonald rubbed shoulders with a president or two. In light of this week's presidential election, we thought it would be entirely appropriate&nbsp;to revisit Dr. McDonald's chance encounters with POTUSes.</p> Fri, 09 Nov 2012 15:42:26 +0000 Archie McDonald, Ph.D. 19674 at