Dairy farmers from across the nation will get a chance to voice their complaints about farm milk prices and antitrust issues Friday at a hearing organized by the U.S. Department of Justice. Hundreds of farmers are expected to attend the hearing at the University of Wisconsin-Madison. Others expected to attend include Assistant U.S. Attorney General Christine Varney, U.S. Department of Agriculture Secretary Tom Vilsack, Democratic U.S. Sens. Herb Kohl and Russ Feingold, and Gov. Jim Doyle.