Presidential candidate Rick Santorum continues to reference President Abraham Lincoln when discussing his opposition to gay marriage.
The 53-year-old Santorum and his 7 children and wife are touring Iowa on their way to next week's Ames Straw Poll. He said he's made over 100 appearances in small venues throughout the state.
In several speeches, Santorum has attempted to explain his opposition to states deciding on marriage equality by invoking Lincoln's legacy.
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