![Ideas from CBC Radio (Highlights) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/018/442/small/best-of-ideas.jpg)
Summary: What happens when historians go searching for new evidence about the nation's past? Historian Robert Johnson speaks to some American historians who are asking us to reconsider America's role in the Vietnam War.
Summary: What happens when historians go searching for new evidence about the nation's past? Historian Robert Johnson speaks to some American historians who are asking us to reconsider America's role in the Vietnam War.