Alignment: Comcast and CEO Brian Roberts have a long-documented history of donations skewing Democratic; the company also owns NBCUniversal, whose news operations are widely viewed as left-of-center.
Summary
Comcast — controlled by the Roberts family — has been one of the most prominent corporate donors to Democratic causes in the media sector and owns NBC News, MSNBC, and CNBC under NBCUniversal.
Claims & Sources
Claim 1: Comcast donor history skews heavily Democratic.
Sources: National Review — Comcast and the Democratic Party