In recent years, malaria has emerged as a cause c?l?bre for voguish philanthropists. Bill Gates, Bono, and Laura Bush are only a few of the personalities who have lent their names-and opened their pocketbooks-in hopes of curing the disease. Still, in a time when every emergent disease inspires waves of panic, why aren't we doing more to eradicate one of our oldest foes? And how does a parasitic disease that we've known how to prevent for more than...