Because nothing says “objective journalism” like the assumption that supporting a Republican is a symptom of mental illness, via Newsbusters:
Maybe they’ve just recovered their wits, Mr. Shuster. Perhaps Massachusetts voters don’t want to have their choices dictated by the Kennedys, Barack Obama, Washington DC, and media outlets with axes to grind such as yours. That’s the sign of a healthy mind. The signs of an unhealthy mind? Dismissing the upsurge in anger among American voters in reaction to the radical Obama-Pelosi-Reid agenda with giggly middle-school references to oral sex, and then getting shocked to discover that the only people you’re fooling is yourselves.
In any case, MS-NBC should really change their logo at the top to read “The Place for Democratic Party Politics.”