'US administrations keep finding new excuses for intervening in Latin
American affairs. Colombia is the most blatant example, as Doug Stokes'
trenchant account of the US's shifting agenda - from Cold War, to guer-
rillas, then the drug trade, and now the "war on terror" - so forcefully
shows. Whether called imperialism or technical assistance, the consistent
result is state terror and human suffering on a vast scale.