From the article:
New York Congressional Rep. Gregory Meeks . . . . slammed Sens. Bernie Sanders, I-Vt., and Elizabeth Warren, D-Mass., for endorsing Cabán without consulting leaders of the machine. The move, he said, was “arrogant” and “patronizing.”
From Wikipedia:
Citizens for Responsibility and Ethics in Washington (CREW) named Meeks one of the most-corrupt members of Congress in 2011.