How GM's Profits Could Go Up

General Motors is still one of the world's biggest automakers -- but lately, its profits have been far behind those of rivals. GM outsold every automaker but Toyota last year -- but Volkswagen and Ford , among others, earned more money.

What's the problem with GM? In this video, Fool.com contributor John Rosevear explains why GM's profits have lagged. He also points out what GM needs to change in order to close the gap -- and looks at whether those changes are likely to happen.