Reply #5: Bollinger took at least 10 minutes in what was the opening welcome and may have continued

[whistle]

...longer had many in the audience not shown their displeasure and restlessness with his politicizing of his role as the Official University greeter for world leaders invited there to speak. If he had wanted a debate, he should have requested one. But, instead it took on the appearance of grandstanding and propaganda.

Thanks for posting those other two links. Hofully one is the full context of what Bollinger said, including all of the audience responses.