Former businessman Martin Shkreli made global headlines when he bought the rights to an HIV/AIDS treatment drug, then raised the price by 5,000%. The 2015 case drew attention to the serious problem of drug pricing in America, where the production of prescription medicine is a multibillion-dollar business. In the world of big pharma, the competition is cutthroat and the politics are deadly. Robin Feldman, director of the Institute for Innovation Law at the University of California Hastings, and Evan Frondorf, a former research fellow at the school, make a case in their book for how pharmaceutical companies conspire to keep prices high. Feldman discussed their book Drug Wars: How Big Pharma Raises Prices and Keeps Generics Off the Market on the  Knowledge at Wharton show, which airs on SiriusXM channel 111 . Following are key points from the conversation. ‘Staggering Profits’ Life is good in the pharmaceutical industry these days, Feldman said.…