Four million people, 15 counties, 700 political entities and two pressing problems for northeast Ohio: sprawl and regional fragmentation. As we continue our conversations about the Voices and Choices agenda, we'll take a look at the decaying state of of our urban cores and the bridges our communities are building to become a unified region with shared goals. It's the Sound of Ideas - you're invited to join us Wednesday morning at nine on 90.3.Regional Fragmentation - Joan Riehm, deputy mayor, Metro Louisville, KY; Daniel Pocek, Mayor, Bedford. Urban Sprawl - David Beach, director, EcoCity Cleveland; Chris Ronayne, president, University Circle, Inc.