http://www.dailykos.com/stories/2016/8/2/1555744/-Another-historic-Donald-Trump-first-His-convention-managed-to-make-him-look-worse-than-before
"this is the first convention ever recorded where the net effect was negative—see the red bar descending down at the far right of the figure above. Congratulations, Mr. Trump! You’ve set a record!"
