AbbVie has filed for approval of a regimen based on its Venclexta therapy for previously untreated patients with chronic lymphocytic leukaemia (CLL), in combination with an AstraZeneca drug. The ...

Scott MacFarlane is CBS News' Justice correspondent. He has covered Washington for two decades, earning 20 Emmy and Edward R. Murrow awards. His reporting has resulted directly in the passage of five ...