Just over the last couple of months, three possible/likely Republican presidential candidates -- Tim Pawlenty, Haley Barbour, and Mike Huckabee -- have vowed publicly to bring back the "Don't Ask, Don't Tell" policy if they were to run and win.

Today, Igor Volsky reports on a fourth.

Former Sen. Rick Santorum (R-PA) has joined fellow potential Republican presidential contenders ... in supporting the reinstatement of Don't Ask, Don't Tell, telling me on Friday in Concord, New Hampshire that he supports bringing back the policy