Megan McArdle, the economics editor at The Atlantic, reviews two of the most popular explanations for the meager rate of new drug approvals that plagues biopharma: A tougher bunch of FDA regulators cracking down unreasonably on anything that looks risky vs. a preference for marketing over R&D at profit-hungry companies. Actually, she concludes with data from Tufts, pharma is spending far more than ever on R&D. And there's a bunch of people at the FDA who are actually quite interested in...