A One Medical clinic location is pictured in Emeryville, California on February 16, 2024. Loren Elliott | The Washington Post | Getty ImagesFor the better part of a decade, Amazon has been trying to carve it's way into the U.S. health-care market, through billions of dollars worth of acquisitions, big-name hires and high-profile partnerships. It's been a slog at times, and the company's long-term strategy hasn't always been clear.Following a series of executive departures, Amazon is now restruc...