How Long Will It Be?

Recently congress has seen fit to take valuable time they should be spending debating some important issue regarding our liberties or the defense of our country and instead censer Rush Limbaugh. I don't know what you think of Rush, and honestly I don't care. This is not intended to be an apology (not the sorry kind) on behalf of Rush. Instead I want to pose a much more important question. When is this going to happen to a pastor for something he says in his own church or on the radio?
It is appalling that congress should take time to debate the words of a private citizen. It is not their role and it should not be. This kind of action is terrible and will eventually lean on our own liberties. You remember the first amendment don't you? It guarantees the freedom of speech. Even if you think Rush is an arrogant jerk who doesn't know up from down this kind of action by congress is still ridiculous and wrong!!
The consequence of setting this kind of precedent is severe. Our government should not be spending time condemning the free speech of private citizens. If this kind of action can be taken against Rush, why not John Piper, John MacArthur, or your pastor? What is stopping congress from becoming the "free speech" police?