Michael Moore's new documentary on healthcare in the United States - Sicko - was warmly received at Cannes.
The Bush administration, though, is all over Moore for a trip to Cuba with sick 9/11 workers. And it's ongoing.
But the critics are responding well to Sicko. The BBC pulls together some reviews, which, with one exception, are uniformly positive.
Michael Moore got an academy award for his documentary Bowling for Columbine, and if you'll remember, he took the Bush administration to task for their war in Iraq when he accepted his award. This was back in early 2003, so he was a bit ahead of the curve on this, and it sounds like some of the crowd is booing: