Transcript for Harry Reid Hits Mitt Romney on Tax Returns
Never in modern American history has a presidential candidate. Tried so hard to hide himself from the people he hopes to serve. When you look at the one tax return he has released its obvious why. It's obvious why there's only been one. We learned that he pays a lower tax rate than middle class families. We learned he -- Swiss bank accounts and -- island tax shelters. Over American institutions. And we can only imagine. What new secrets would be revealed. If he showed the American people a dozen years of tax returns. Like his father did. Mitt Romney says. We should take his word that he paid his fair share. His word. His word. Trust comes from transparency. And Mitt Romney comes up short on bowl. -- This is about more than just a piece of paper. It isn't personal. This is about leveling with the American people and creating a level playing field for them. If we don't know how Mitt Romney would benefit from the policies he proposes. How can we know of these looking out for us or just himself. The American people are still asking. Flu is Mitt Romney. But the American people know Barack Obama.
This transcript has been automatically generated and may not be 100% accurate.