2 million Number of civilians in Colombia displaced by violence arising from drug trafficking and guerrilla warfare, the largest human-rights crisis in the western hemisphere, according to the U.N.
$2.5 billion Cost of Plan Colombia, a four-year-old U.S. aid package to support that nation's antidrug campaign
127,677 Number of prisoners in the U.S. serving life sentences--up 83% since 1992, an increase attributed to stricter sentencing laws
$2.5 billion Cumulative lifetime cost of housing these prisoners
$430 million Settlement to be paid by Pfizer for marketing Neurontin, an epilepsy drug, for uses not approved by the FDA
$2.7 billion Proceeds from sales...