At Xconomy, Luke Timmerman says it's time to ask questions about whether really expensive cancer drugs are worth the cost. "If a new cancer drug comes out at a price of $100,000 per person, how many patients likely to benefit will actually get it? How many will drain their entire life savings just to make the insurance co-pays?" Timmerman asks. "How many people will go bankrupt to stay alive a few more months?