Indiana Gov. Mike Pence announces in 2015 that the federal Centers for Medicare and Medicaid Services approved the state's waiver request to expand Medicaid coverage. Michael Conroy/AP hide caption

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Mylan CEO Heather Bresch defended pricing for the company's EpiPen on Capitol Hill in September. Pablo Martinez Monsivais/AP hide caption
In an emailed statement, Mylan told NPR, "To date, we know of no evidence that Mylan participated in price fixing." Jeff Swensen/Getty Images hide caption
Planned Parenthood's president, Cecile Richards, addresses the Democratic National Convention in July. Republicans in Congress have repeatedly threatened to cut off federal funding for Planned Parenthood because the family planning group performs abortions at some clinics. J. Scott Applewhite/AP hide caption
Senate Republicans will move "right after the first of the year" on a resolution to replace the Affordable Care Act, Senate Majority Leader Mitch McConnell told reporters Monday. Mark Wilson/Getty Images hide caption
Juana Rivera (left) speaks with agent Fabrizzio Russi about buying insurance through the Affordable Care Act in Miami in 2014. Joe Raedle/Getty Images hide caption
Rep. Tom Price has introduced his own alternative to the Affordable Care Act four times. The legislation provides an idea of how he might lead the Department of Health And Human Services. Andrew Harrer/Bloomberg via Getty Images hide caption
House Speaker Paul Ryan, R-Wis., speaks to the media during a briefing on Capitol Hill in September. Mark Wilson/Getty Images hide caption
House Speaker Paul Ryan, R-Wis., discussed a Republican alternative to Obamacare upon its release at the American Enterprise Institute in June. Allison Shelley/Getty Images hide caption
President-elect Donald Trump has consistently promised to repeal Obamacare. Jeff Kowalsky/AFP/Getty Images hide caption
Generic drugmaker Mylan is one of the companies reported to be the subject of a Justice Department investigation into pricing of generic drugs. Jeff Swensen/Getty Images hide caption