Breadcrumb Home News December 20, 2015 12:00 AM The 30 events that rocked healthcare's world in 2015 Tweet Share Share Email More Print AP Aetna CEO Mark Bertolini (left) and Anthem CEO Joseph Swedish testify on their companies' pending mega-deals. Letter to the Editor Send us a letter Have an opinion about this story? Click here to submit a Letter to the Editor, and we may publish it in print. Recommended for You Clone of Next Up podcast: Dealing with Two Crises Part 2 - Transcript Next Up podcast: You said What? - Transcript Sponsored Content View the discussion thread.