JOANNE JACOBS: Say It Ain’t So, Joe. “The Democratic Party’s platform, based on a Biden-Sanders ‘unity’ task force’s recommendations, ‘steer Biden away from the coalition of Black and low-income voters who brought him the nomination,’ write Aldeman and Spurrier. ‘Maybe this shouldn’t come as a surprise — given that two of the eight members of the task force are the heads of the two major teachers unions.'”