I don't know if it's the setting, the higher-scoring games, or the fact that the US has performed well (so far), but this is an amazing World Cup. I've followed every Cup since 1982, and in terms of excitement on and off the field, this one has been phenomenal.
Interesting article from today:
World Cup 2014: fan fever means USA face Portugal on crest of ratings wave^^^ Article says USA vs. Portugal TV ratings for tomorrow's game might top the NBA Finals. The USA vs. Ghana game nearly tripled the Stanley Cup Finals.