Why isn't Huckabee throwing in the towel?

A day after John McCain appeared to have nailed down the Republican presidential nomination, Mike Huckabee clung Friday to the faint hope that he could snatch it away. -- He gamely pleaded for support at "Huckabee for President" rallies in Wichita, Topeka and Kansas City, Kan. -- But for many who have watched Huckabee rise to the top tier of candidates only to see McCain emerge as the presumptive nominee, the question has become: Why keep going? Full Story »