Will conflict with Venezuela hurt U.S. goals for summit?

Aired: 4/9/2015 | 0:04:57 | Clip
Chief foreign affairs correspondent Margaret Warner joins Judy Woodruff to offer a preview of what to expect at the Summit of the Americas in Panama, including the prospect of a meeting between President Obama and Cuban President Raul Castro and conflict with Venezuelan President Nicolas Maduro over U.S. sanctions.