On November 9, 1989, the Berlin Wall collapsed, taking the Cold War down with it. The next twelve years passed in a haze of self-congratulation, Republican confusion, and angst, and economic prosperity -- until they ended abruptly with a stunning catastrophe on September 11, 2001. In America Between The Wars, Derek Chollet and James Goldgeier blend deep expertise with broad access to both parties' political and policy establishments...