What we have learned this summer...

From today's New York Times, Frank Rich writes:

What we have learned this summer is this: McCain’s trigger-happy temperament and reactionary policies offer worse than no change. He is an unstable bridge back not just to Bush policies but to an increasingly distant 20th-century America that is still fighting Red China in Vietnam and the Soviet Union in the cold war. As the country tries to navigate the fast-moving changes of the 21st century, McCain would put America on hold.