Sean Penn? Kevin Spacey? Hello??

It's one thing to cozy up to Fidel Castro-lovin' types like Venezuelan President Hugo Chavez, as Sean Penn and Kevin Spacey have done in recent months. But how about a little protest when Chavez's regime slaps down freedom of expression?
Here are the details. We await a reaction from the aforementioned actors, or better yet anyone in the artistic community.
The sound you will soon here, I'm afraid, is silence.