What parties would the US have if it switched to proportional representation?

[DC Al Fine]

BRTD, what's the threshold in your scenario? 5%, 4%, 1/#of seats?

[DC Al Fine]

This is based off an MMP system with a four percent threshold

For a Just America

Progressive Party: The most fiscally centrist of the left wing parties and defined mostly by it's social liberalism. It appeals to students, minorities, and urban progressives.
Leader: Barack Obama
Prominent Members: Hillary Clinton, Angus King

Labour Party: Fiscally centre left and somewhat populist. This party attracts the white working class. Has a socially conservative Catholic/Evangelical wing.
Leader: Brian Schweitzer
Prominent Members: Joe Manchin, Bob Casey

GreenLeft: Hard left and supports green politics. Socially ultra liberal. Supported by hippies, some college professors and other assorted leftists.
Leader: Bernie Sanders
Prominent Members: Ralph Nader, Jill Stein


Alliance for Freedom

Conservative Party: Broad based conservative party, with the strongest line on national defense of any major party. Party of upper middle class WASPs
Leader: Mitt Romney
Prominent Members: Scott Brown, John McCain

Free Democratic Party: Ron Paul lite. Fiscally conservative, socially liberal with a strong following among secular right wingers and college students.
Leader: Ron Paul
Prominent Members: Rand Paul, Gary Johnson

American Heritage Party: Fiscally right of centre, although it is willing to embrace of unorthodox ideas. Socially conservative and anti-immigration. Mainly supported by southern evangelicals, although it is gaining support among conservative Catholics.
Leader: Rick Santorum
Prominent Members: Michelle Bachmann, Pat Buchanan


2012 Election Results
Progressive Party: 38%, 169 seats
Conservative Party: 29%, 128 seats
American Heritage Party: 14%, 62 seats
Labour Party: 12%, 53 seats
Free Democratic Party: 5%, 22 seats
GreenLeft: 2%, 1 seat (Bernie Sanders)

For a Just America: 52%, 223 seats
Alliance for Freedom: 48% 212 seats