Dick Morris and  Eileen McGann

And each primary provides more proof of how how unattractive voters find Romney. Despite massive spending and a field organization with all the efficiency and busy-tailed enthusiasm of a good car-rental company, he still can't sell because people don't like him. His vast checkbook will let him linger on past Michigan, but he loses traction with each balloting.

Huckabee has yet to show an ability to transcend social-conservative issues. His pledge to repeal the IRS and instead adopt a fair tax (i.e., a national sales tax) might help him "go secular," but until he achieves that, he's just a regional candidate - a good vice president pick, not top-tier material.

For the general election, McCain is unique among the GOP field because he can attract centrist votes. He's every Democrat's and independent's favorite Republican. He doesn't have Rudy's hard edges or family problems, and he knows how to push a lot of populist hot buttons, from CEO pay to credit-card overcharges to hedge-fund tax shelters to subprime chicanery.

Being able to win doesn't mean he will win. But McCain is clearly back

Dick Morris and Eileen McGann

Dick Morris, a former political adviser to Sen. Trent Lott (R-Miss.) and President Bill Clinton, is the author of 2010: Take Back America. To get all of Dick Morris’s and Eileen McGann’s columns for free by email, go to www.dickmorris.com