MICHAEL BERENT, MATT BLIZEK, MORI CONSTANTINO, AMANDA COYNE, CAROLINE DIETERLE, LOLLY EGGERS, JENNIE EMBREE, SARA EPSTEIN, ELLEN HAYWOOD, PAUL INGRAM, JON KLINKOWITZ, MICHAEL ROMP, ROD SULLIVAN, SARA SWISHER, BOB THOMPSON, NICHELLE THOMPSON, JEFF THORNE, ROBERTA TILL-RETZ, JAMES WALTERS, KAREN KUBBY and BETTE MAYES, Plaintiffs-Appellants, vs. CITY OF IOWA CITY, CONNIE CHAMPION, STEVEN KANNER, ERNEST W. LEHMAN, MIKE ODONNELL, IRVIN PFAB, DEE VANDERHOEF and ROSS WILBURN, as Members of the City Council of Iowa City, Defendants-Appellees.