Rick Santorum rallied Republicans at the party's convention, saying a vote for his former rival Mitt Romney is a "vote for life and liberty, not dependency."
The former U.S. senator from Pennsylvania had been harshly critical of Romney during the GOP primary campaign.
Ann Romney and New Jersey Gov. Chris Christie will conclude the evening soon with high-profile speeches.
Follow complete coverage of the convention, including key speeches carried live, on CNN TV, CNN.com and CNN's mobile apps.
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