Biddy Martin, the former UW-Madison chancellor who was scheduled to give a talk Saturday to the Madison Civics Club, has cancelled her trip to town. Eve Galanter, who is chair of the Madison Civics Club?s 100th Anniversary Committee, said Friday morning that ?due to health reasons, Biddy Martin is unable to travel to Madison.? UW Police Chief Sue Riseling will be filling in for Martin. Galanter says Riseling will give a keynote presentation titled ?Between Protesters and Politicians? that examines her role in leading the police response during last year?s protests around the Capitol.