Republicans and Democrats continue to shrink and the IPO has unusual fallback. Monthly Trends: The month of September showed continued losses in membership for the Republican and Democratic Parties. The IPO lost membership at the same rate as the major parties as well. While the “other minor parties” category has seen the most growth percentage wise and has about the same total growth in registrants as NAV, all of that growth has been attributable to the Working Families Party, which has grown...