We talk, as a society, of our need to get health care costs under control. Conservatives, in particular, insist that Medicare must be reformed. Here is an enormously expensive drug that largely doesn’t work, has serious side effects and can no longer be marketed as a breast cancer therapy. Yet insurers, including Medicare, will continue to cover it. If we’re not willing to say no to a drug like Avastin, then what drug will we say no to?