Human rights groups that gave the commission information have been branded as collaborators and traitors.
Perhaps he was worried about misbehavior, or maybe some on the hard right — deathly afraid of being branded a collaborator with a man they call a socialist — wouldn't be caught dead in Mr. Obama's home.
Lanzmann's most recent feature, The Last of the Unjust, revisited a 1975 interview with Benjamin Murmelstein, the last surviving president of the Jewish Council in Theresienstadt whom some had branded a collaborator, but whom Lanzmann found to be "extraordinarily courageous".
But that was at a time when Israel still had a complete military and administrative occupation of Gaza with thousands of settlers and soldiers deployed across the strip - anyone working for the state risked being branded a collaborator.
A Brand collaborator for almost a decade, Gareth Roy started as a comedy producer at T4, Channel 4's youth strand, before joining MTV after Brand had been sacked from the channel.
Since then, apart from releasing new album Lift Your Spirit and advising Adam Levine's team on the hit US television series The Voice, Blacc has worked as a brand collaborator with the Lincoln Motor Company, creating original videos and lending the Ford subsidiary some of his suave, urbane cool.
The PLO nationalists even branded him a collaborator.
In the frenzied national soul-cleansing after the war the French film industry branded Clouzot a collaborator and banned him for life.
