Political wives at conventions

POSTED: 11:37 AM Sep 04 2012   UPDATED: 12:40 PM Sep 04 2012

As first lady Michelle Obama prepares to speak at the DNC, look back at the role of wives in political conventions.

Michelle Obama
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Yuri Gripas/Reuters

Michelle Obama, scheduled to speak at the 2012 Democratic National Convention, is one of a long line of political wives who have taken to the convention stage to encourage support for their husbands.