The Towpath Trail is well on its way to becoming a top Northeast Ohio attraction. Finishing the last few miles, however, will take a bit more time and a lot more money. The Towpath Trail draws thousands of visitors to the Cuyahoga Valley National Park. And planners say it could do the same for downtown Cleveland, if only the trail extended that far. We'll talk about that dream and what's holding it up, on The Sound of Ideas Tuesday morning at nine on 90.3.