Like presidential candidates before him, President Obama has released 12 years of tax returns to the American public. Mitt Romney, however, is bucking the precedent of transparency by refusing to release more than one full year of tax returns.

Now, Newsweek reports that Romney asked for 10 years of tax returns as part of the vetting process for his potential running mates, including Paul Ryan. Why won’t Mitt Romney offer the same to the American people? What’s he hiding? Watch Mitt Romney avoid answering the question—then share this video with your friends.