Eight years ago we urged voters in South Carolina's Republican presidential primary to support John McCain. His record since then has left us even more convinced that the Arizona senator should be the 2008 Republican presidential nominee. Not only has the senator continued to live up to the "straight talk" theme of both campaigns, he has provided the country with positive leadership in critical areas. Well known for an independent streak that has led to deviations from the party line, John McCain mainly reflects mainstream conservative values, as evidenced by his calls for less government regulation and a reduction of...