Over the last few decades, the divide between the two major political parties in the United States has deepened. Studies of Congressional voting patterns show that politicians take increasingly polarized positions, and that those positions drift farther and farther apart over time. Not voters, though. Since the 1960s, voters have stayed in the middle, usually preferring centrist or moderate positions to the extremes.
Click here for original story, New model shows how voting behavior can drive political parties apart
Source: Phys.org