This tactic is fairly common.
Identified supporters of Mitt Romney in Iowa received telephone calls at 6:00 am CT on Thursday.
But those calls weren't initiated by Romney's campaign.
So a rival campaign, hoping to make Romney supporters angry at Romney's campaign, did the deeds.
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Marc Ambinder is a contributing editor at The Atlantic. He is also a senior contributor at Defense One, a contributing editor at GQ, and a regular contributor at The Week.