David Axelrod was referring to Bernie's appearance at U of Chicago Institute of Politics today. I saw some of the event. Bernie was introduced by David Axelrod who is Director of the U of Chicago Institute of Politics.
How good a political guru is David Axelrod? Well, David was the Chief Strategist for Barack Obama's presidential campaigns. That's how good.
Event is long may have to watch it in segments as I did but, it's one of his best appearances. Well worth the time as he deviates from stump speech and gets a little personal since it is his alma mater
Check out the student response as Bernie was leaving the event:
Right here