MEGAN MCARDLE: NO REFILLS. “In 2009, only 25 new drugs were approved—less than half the number in the mid-’90s. Why are new pharmaceuticals so hard to bring to market? Overcautious regulators and profit-hungry conglomerates make easy scapegoats, but they’re only partly to blame. While we’re waiting for both sides to reinvent themselves, even little things like better monitoring of side effects can lead to big new discoveries.”