Alina Nurieva (right) sat with Gabriela Cisneros, an insurance agent from Sunshine Life and Health Advisors, and picked an insurance plan at the Mall of the Americas in Miami last November.
Joe Raedle/Getty Images
Mark Bertolini, CEO of Aetna, told the Justice Department in July that the insurer would walk away from many health exchanges if the government opposed the company's proposed deal for Humana. On Tuesday, Aetna followed through.
Andrew Harrer/Bloomberg via Getty Images