OPINION: In signing first-in-the-nation legislation to force greater transparency in drug pricing practices, Gov. Brown has signaled the beginning of a new era on controlling health care costs. But more can and should be done to rein in out-of-control drug prices. Drug costs have been increasing by about 10% per year and there are notorious examples of products that have increased by 500%. Even when insurance pays for medications, the costs always go back to the consumer.