The United States is in crisis. The economy is melting down. Our military is at war on two fronts. Americans approach this election in understandable fear and anger, especially at the incumbent Republican president who, however unjustly, bears the brunt of the blame for the crisis. Americans want change, yes, but banking on change alone is a risky proposition. Both Barack Obama and John McCain offer new deals to a tense, weary nation. In better times, America could afford to consider entrusting the White House to an appealing newcomer like Mr. Obama and giving control of the presidency and Congress...