Is MSNBC's firing of Mark Halperin proof that it is state run media?

This week MSNBC contributor Mark Halperin was fired for calling Barack Obama a "dick"

However the same network has had no problem with contributors using far more vulgar language to describe Conservatives and Tea Party activists. They routinely use the word "tea bagger" and at least once referred to them as "ball suckers". They also call republican politicians, racists, rednecks, bimbos, and whores. In light of all these vulgar attacks, is calling Obama a dick really that big of a deal? The fact is, they have no problem with vulgarity in politics as long as it is directed against the right. But any commentator who criticizes Obama is fired immediately. Obama called up his state run media channel and told them he was offended and the network fired the offender. Is it appropriate for a president to have that much control over a news outlet?