(photo: Philip Kamrass/Governor's Office)

As the Democratic primary between Governor Andrew Cuomo and Cynthia Nixon continues to heat up, a group of progressive activists is pushing for the state party to change its rules and open up the primary to unaffiliated voters.

New York Progressive Action Network, a grassroots coalition affiliated with Our Revolution, which grew out of Senator Bernie Sanders’ presidential campaign, is drafting a resolution that its members hope to introduce at the State Democratic Party’s nominating