What happens when activists and interest groups support political candidates who are not in their pocket, and give them leverage to behave more moderately.
Ideologically extreme members of Congress are more vulnerable to defeat when voters can learn about their in-office activities through traditional media.
There are still plenty of moderate congressional districts represented by officials who vote with their constituents in mind—but that could soon change.
Efforts to curb legislative partisanship have weak track records, so maybe we should consider changing the other side of the equation in order to establish a government that can actually get things done.
Americans hoping to triangulate their votes to chart a course between the extremes of ideology find their representatives are sailing even faster to the fringes.