WASHINGTON — Former Olympian swimming greats Michael Phelps and Allison Schmitt will testify in prime time next week on Capitol Hill on the need for strong anti-doping measures in the upcoming Paris Olympic games, NBC News has learned.

The hearing, hosted by a House Energy and Commerce subcommittee and titled “Examining Anti-Doping Measures in Advance of the 2024 Olympics,” comes amid an outcry in the swimming community over a New York Times report that 23 Chinese swimmers had tested…