Why is Congress mired in partisan polarization? The conventional answer is that members of Congress and their constituencies fundamentally disagree with one other along ideological lines. But Gregory Koger and Matthew J. Lebo uncover a more compelling reason that today's political leaders devote so much time to conveying their party's positions, even at the expense of basic government functions: Both parties want to win elections.
In Strategic Party Government, Koger and Lebo argue that Congress is now primarily a forum for partisan competition. In order to avoid losing,...