One and a half years on from the tragedy of September 11th the most important issue facing America today remains national security. In this hard-hitting book, policy expert Ullman links those horrific acts to the unresolved legacies of the Cold War and the Gulf War - and reveals how the unfinished business of the recent past threatens the world's future. Analysing key events from the aftermath of World War II to the current campaign against bin Laden and the al Queda network, Ullman probes beyond the headlines bringing new light to bear on current issues.