A downtown stadium deal might save the Crew, but where would it go?

The meeting this week between city and business officials, Columbus Crew SC's owner and the MLS commissioner is expected to be more of a conversation on where things stand than a negotiation over a potential deal to keep the team here. But any such deal likely will have to include a new downtown stadium, and Columbus doesn't have a lot of sites that could work. But there are options. Here are some that have been floated as possible solutions.