^ In all seriousness this isn't a bad answer. Fixing how people get their information would be the biggest start.
Cough *MSNBC* Cough Cough 
In the elections of the 30's the four major radio networks dominated news output. After that, through the 80's, the big broadcast TV networks were America's main source of information. That's a long stretch with relatively few major news sources. In many ways the rise of cable and the internet have reset America back to the wide range of niche news sources (primarily newspapers) that were commonplace up until the era of radio. The partisanship today is not unlike that seen in the 1800's.
