However, there was praise for someone who wasn't even on the panel – a heckler.
The Germany international urinated in a Berlin hotel lobby after the cup final defeat and allegedly threw a kebab into the face of a heckler in Cologne.
Cameron had his prepackaged soundbites but showed he was fast on his feet, taking on the heckler.
When a heckler in November pleaded that he had the power to halt deportations of undocumented migrants, he replied: "Actually, I don't".
I felt like the guy at Bob Dylan's Albert Hall concert who, when the electric band came out for the second set, screamed out: "Traitor!" Of course, the proper response to such a jeer would be something like what Mr Dylan called back to that heckler: "I don't believe you".
There is always the risk that at some climactic moment a heckler will interrupt, posing a variant on the ancient British question: just who do you think you are?How, then, to explain the rise of Nigel Farage, leader of the United Kingdom Independence Party (UKIP), an insurgent (and at times quite angry) outfit devoted to Britain's withdrawal from the European Union?
SOMETIMES a heckler can be a politician's best friend.
He even tried to explain the virtues of profits to an Occupy Wall Street heckler.
Told in a clever mix of forward motion and flashback, the Quayles' story evolves from their first meeting, at a lecture of his where she is an impassioned and out-of-control heckler, through their early marriage, their transfer to Kenya, her pregnancy and the beginnings of her journey of discovery about the evils of Big Pharma.
As others applauded Mr Bloomberg, Ms Weingarten was a loud heckler.
Security officials briefly detained a reporter who tried to shout a question at Mr Hu about the crushing of the Tiananmen Square protests in 1989, and a heckler at the swearing-in ceremony who also raised Tiananmen.
