Letterman Reveals How Joe Biden Can One-Up Hillary Clinton On Gay Marriage (VIDEO)

03/22/2013 09:04 am ET | Updated May 22, 2013

Now that Hillary Clinton has announced her official support for gay marriage, how is Vice President Joe Biden -- another likely presidential candidate for 2016 -- going to show he's just as cool as she is?

According to David Letterman on Thursday night's "Late Show," there is one thing Biden could do that simply wouldn't have the same effect if Hillary did it. Watch the clip above to see what he means.

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