I’m obviously obsessed with television ratings for D.C.’s pro teams, and how they rank to other franchises around the country. I don’t know why. I just am. Usually, these comparisons are limited to MLB, NHL and NBA franchises, based on SportsBusiness Journal’s twice-a-year look at the regional sports network rankings. In the most recently completed seasons, according to SBJ, the Nats ranked 27th of 29 teams in MLB ratings, the Caps ranked eighth among the NHL’s U.S.