A majority of Americans believe the Super Bowl is better today because of entertaining ads and stellar halftime shows, but what they really crave is football. According to a national study commissioned by Burson-Marsteller’s Fan Experience specialty group and fielded by research consultancy Penn Schoen Berland, 52 percent of respondents say the primary reason they tune in is to watch the game, compared to 23 percent who are focused on the commercials.