[worst-case scenario]

Then I wonder what the rules are at the other networks.

“What does it matter?” Is the issue here that he broke MSNBC rules, or that a purported independent pundit actually donated to partisan campaigns?

It matters because the issue is his objectivity, not what infraction against company rules he committed.

[ejdrapes]

I know Sean Hannity gave $5,000 to Michele Bachmann’s PAC. Funny....I couldn’t find Olbermann’s donation on
newsmeat.com or opensecrets.org but I did see Hannity’s as well as a Neil Cavuto donation from 2002.

[San Jacinto]

It matters because the issue is his objectivity, not what infraction against company rules he committed.

You just said the issue is Keith Olberman's objectivity. That's like saying there is an issue of whether Adolf Hitler was aggressive toward other countries.