FILE - In this March 16, 2010, file photo, financier Carl Icahn poses for photos upon arriving for the annual New York City Police Foundation Gala in New York. Icahn is urging Cigna shareholders to vote against the health insurer’s attempted multi-billion dollar takeover of Express Scripts. In a letter Tuesday, Aug. 7, 2018, Icahn warned that Express Scripts, a pharmacy benefit manager, faces intense competition from Amazon, regulatory risks and could lose the business of other health insurers that won’t want to deal with a company owned by a rival. (AP Photo/Henny Ray Abrams, File)

FILE - In this Jan. 30, 2018, file photo, Sen. Dean Heller, R-Nev., asks a question during a Senate Banking Committee hearing on Capitol Hill in Washington. Heller, considered the most vulnerable GOP senator seeking another term this year, opposed measures to dismantle President Barack Obama's signature law before backing other versions that failed. (AP Photo/Susan Walsh, File)

FILE - In this June 1, 2017, file photo, a sign stands on the campus of the Aetna headquarters, in Hartford, Conn. Aetna Inc. (AET) on Thursday, Aug. 2, 2018, reported second-quarter earnings of $1.21 billion. (AP Photo/Bill Sikes, File)

The HealthCare.gov website main page. The Trump administration is clearing the way for insurers to sell short-term health plans as a bargain alternative to pricey “Obamacare” for consumers struggling with high premiums. But the policies don’t have to cover pre-existing conditions and benefits are limited. It’s not certain if that’s going to translate into broad consumer appeal among people who need an individual policy. (HHS via AP

File - In this March 23, 2017, file photo, health care professionals join hundreds of people marching through downtown Los Angeles protesting President Donald Trump's plan to dismantle the Affordable Care Act. California and 17 other states that sued the Trump administration over its decision to cut off Affordable Care Act subsidies say a workaround has largely succeeded. The assessment came in a court filing late Monday, July 16, 2018, in which the states asked U.S. Judge Vince Chhabria to put their lawsuit on hold. (AP Photo/Reed Saxon, File)

In this July 11, 2018 photo, Supreme Court nominee Brett Kavanaugh on Capitol Hill in Washington, during a meeting Wednesday. Some Democrats are warning that Supreme Court nominee Brett Kavanaugh could spell doom for the Affordable Care Act. This is even as some conservatives are portraying him as sympathetic to President Barack Obama’s landmark health care legislation. The heated debate may not matter, though. As long as five past defenders of the ACA remain on the nation’s highest court, the odds tilt in favor of the law being allowed to stand. (AP Photo/Manuel Balce Ceneta)

FILE - In this March 15, 2017, file photo, an Uber car drives through LaGuardia Airport in New York. Starting Sunday, July 1, 2018, drivers for car services and ride-hailing apps like Uber and Lyft in New York will be able to get coverage for vision care as well as phone or video appointments with doctors, industry representatives announced. (AP Photo/Seth Wenig, File)