GOP Presidential Candidates Continue Signing Pledges During Race

12/22/2011 11:29 am ET

Increasingly, special interest groups nationally and in Iowa are asking presidential candidates to put their positions in writing by signing specifically worded pledges to support the groups' agendas.

Putting their name on the dotted line could translate into key endorsements, and ultimately votes, but it could also backfire, and there are no guarantees of returns.

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