Gibson: And in each instance, when the [capital gains tax] rate dropped, revenues from the tax increased; the government took in more money. And in the 1980s, when the tax was increased to 28 percent, the revenues went down. So why raise it at all, especially given the fact that 100 million people in this country own stock and would be affected?
Obama: Well, Charlie, what I've said is that I would look at raising the capital gains tax for purposes of fairness.

Interview on ABC News (16 April 2008)

Transcript: Obama and Clinton Debate