Jon Keller looks at how Deval Patrick's entry into the presidential race affects Elizabeth Warren's campaign.
Keller @ Large: Deval Patrick's Impact On Elizabeth Warren's Campaign
Credit: WBZ CBS BostonDuration: 03:30s 0 shares 1 views
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While Gov. Deval Patrick left office nearly four years ago, it seems he didn't leave behind his thirst for the political spotlight...
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