On Wednesday, the government will release data on what Medicare paid doctors in 2012. Reformers love this idea – hoping it will help make consumers smarter when it comes to getting care. But the American Medical Association says doctors who treat the sickest patients might end up looking bad when compared to their peers. We examine the promise and peril of big data in healthcare. Also on Wednesday, hearings are ecxpected to take place about the proposed Time Warner/Comcast merger. One set of issues likely to take center stage is how this proposed merger might impact the market for broadband and internet service.