Poverty is the great moral issue facing America today, former U.S. senator and 2004 vice presidential candidate John Edwards told a crowd of UW-Madison, WI students. The country is hungry for a big issue - a cause, a calling - it can get involved in, Edwards told about 500 people Wednesday afternoon at the Wisconsin Union Theater. "If you don't believe me, look at the reaction to Hurricane Katrina," he said. The government reacted slowly, while the people themselves took action, volunteering and donating money to help victims, Edwards said. "Americans are looking for something moral and just. Something other...