Conservatives take the hardest line and exile their own who have failed them to the sidelines.

They should. We have values and when those values are betrayed by those who fight with us, we must often show them tough love and show them the door.

But we do a terrible job with forgiveness and rehabilitation. Mark Sanford walked out of the Governor’s Mansion and out of public life for a while. He comes back as conservatives in Congress are fighting on all fronts, out numbered, depressed, and needing every man capable of manning the ramparts.

Mark Sanford can man the ramparts. Unlike his opponents, he has a stellar and uncompromising record as a limited government, pro-life, fiscal conservative.