As a member of the Senate Foreign Relations Committee, I have had the rare opportunity to witness firsthand how the diplomatic process works and, in some cases, how it fails. ... Since Sept. 11, 2001, and our nation's initial response in Afghanistan, the global war on terrorism has taken many twists and turns. First, Iraq became the primary focus of our troops and our public attention. Then, the nuclear ambitions of Iran and North Korea reached critical mass, followed by the quickly changing and deteriorating situation with Israel, Hezbollah and Hamas. ... Ambassador Bolton's appointment expires this fall when the...