Pfizer-Allergan Merger Could Disrupt Companies That Conduct Research For Drug Giants

In other prescription drug news, the head of Turing Pharmaceuticals says the company's decision to raise the parasitic infection treatment Daraprim to $750 a pill from $13.50 a pill "doesn't affect the system at all." In other pharma news, The New York Times reports on the Coalition for Affordable Drugs, a company set up to challenge weak or abusive patents.