[MD] Global Warming: Science or Politics?

[ARLO J BENSINGER JR]

[Case]
This is a news article from a credible source (MSNBC) reporting on a study that
was presented at the Annual Conference of the Society for Personality and
Social Psychology by researchers from Emory University.

[Platt]
MSNBC a credible source? Ha, ha, ha, ha.

[Arlo]
Is "credibility", as you use it, really another word for "party allegiance"? If
not, explain.