… One of the most distinctive attributes of our current political era is that the two parties are closely balanced at the national level, yet each side maintains a formidable record of electoral dominance across large regional subsections of the United States. Since the 1990s, we have experienced a series of elections in which the overall outcome has been decided by a narrow margin even as most states and congressional districts are securely and reliably either Republican or Democratic. CONT.
David A. Hopkins, Boston College