This is an ambitious, meticulous examination of how U.S. foreign policy since the 1960s has led to partial or total cover-ups of past domestic criminal acts, including, perhaps, the catastrophe of 9/11. Peter Dale Scott, whose previous books have investigated CIA involvement in southeast Asia, the drug wars, and the Kennedy assassination, here probes how the policies of presidents since Nixon have augmented the tangled bases for the 2001 terrorist attack. Scott shows how America's expansion...