CHARLESTON -- The McCain campaign is touting a major endorsement tomorrow set for Greenville, South Carolina.

It's Sen. Tom Coburn, the Senate's resident earmark curmudgeon and staunch social conservative / doctor.

The campaign hopes the endorsement will kick-start four days of intense campaigning here with a jolt of momentum that yesterday's Michigan primary did not provide.

We want to hear what you think about this article. Submit a letter to the editor or write to