Offshore wind is an alternative energy source touted by the Obama Administration. But plans may be delayed by controversy over a project planned for waters off Cape Cod and Martha's Vineyard, where the President's on vacation. We hear about green power and global warming, natural beauty and the tourist economy, and what's at stake for America's energy future.  Also, Iranian President Ahmadinejad wants opposition leaders prosecuted, and a kidnapping victim is found -- 18 years later.