South Carolina Tuesday news roundup

COLUMBIA, South Carolina (CNN) - Here's a quick look at what's making political news today in South Carolina:

The CNN Election Express pulls into the Palmetto State today, coinciding with Sen. John McCain's three-day campaign swing through the state. We'll be following McCain and checking in on how the rest of the Republican field is doing in South Carolina.

About that new ARG poll that has former Massachusetts governor Mitt Romney leading the pack: Terry Sullivan says not so much.

The State covers Sen. Joe Biden's appearance in Columbia. And CNN was there with the senator in Rock Hill.

The New York Times writes its obituary on Harry Dent.

According to Dan Hoover, former state Democratic Party chairman Joe Erwin is considering running against Republican incumbent Lindsey Graham for Senate next year.

– CNN South Carolina Producer Peter Hamby