Barack Obama and John McCain are ignoring Hillary Clinton's decisive win in the West Virginia primary on Tuesday and are instead campaigning against each other. In order to prevail in the general election, the presumptive Republican nominee, McCain, must unveil a bold and inspiring platform. The likely Democratic nominee, Mr. Obama, is portraying Mr. McCain as an honorable man of "the past" who will provide a third Bush term. In contrast, Mr. McCain is trying to distinguish himself from the Republican brand — a brand which is tied to a president whose popularity ratings are at an all-time low and...