The case for and against forcing the local Bells to share lines with competitors. Speaking for my side (con), Diane Katz says,

billions of investor dollars have instead flowed to Baby Bell wannabees whose business plans offer little more than a new billing address. The incumbents, meanwhile, saddled with 10,000 pages of access regulations...

This is the issue in which Michael Powell lost out because Kevin Martin decided to go with the lawyer-entrepreneurs who wanted to start phone companies without any infrastructure. Both sides of the debate tend to focus on the issue of broadband rollout, which I think is a red herring regardless of which way you come down.