Sen. Jim DeMint (R-S.C.) said it would be a "dealbreaker" for Jon Huntsman or any other Republican presidential candidate not to sign a new balanced-budget pledge behind which DeMint has thrown his political weight.

DeMint is demanding that Republican presidential candidates sign a "Cut, Cap and Balance" pledge drafted by a coalition of conservative groups in order to win his endorsement in 2012, a coveted prize for candidates looking to appeal to conservative primary voters.