"Most Favored Nation would reduce access to novel drugs in America, slow innovation, and disrupt market incentives," writes health expert Sally Pipes. Getty Images

It’s been a big year for revivals. There’s a new Jurassic Park movie , a reunion tour featuring 1990s rock band Oasis , and a Harry Potter television series in the works.

President Trump is also looking to revive some of the policies he tried to enact during his first term. He recently issued an executive order aimed at compelling pharmaceutical companies to sell drugs in the United States at the lowest price available in other developed countries. He upped the ante late last month by writing several major drug companies—including Pfizer, Eli Lilly, and Johnson & Johnson—informing them that they had to comply with hi

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