WASHINGTON (AP) -- Three board members of a labor-created nonprofit political organization have resigned, calling into question the future of a group set up to raise at least $30 million to turn out voters for Democrats in 2004. Mounting opposition from minority groups against Steve Rosenthal, the former AFL-CIO political director who founded the Partnership for America's Families and is serving as executive director, and concerns about management led to the resignations last week. Rosenthal did not return a message left for him at the partnership's office. Minority groups, including the Coalition of Black Trade Unionists, complained that Rosenthal has...