The big, powerful National Football League is thinking of running up the score. But not everyone is cheering them on. NFL owners are considering adding another regular season game or two to their burgeoning schedules, and cutting back on pre-season games. It seems to make business sense: bigger viewership, more fees, higher sponsorship revenues, and, in theory, added TV advertising dollars. The problem is that this is 2009 -- not 1999. In the midst of a recession and some some trying times for TV networks, adding more NFL advertising inventory will just glut up a market that is already soft.