MARY LOUISE KELLY, HOST:
The United States says it is supporting all international efforts to prosecute Russians for alleged war crimes in Ukraine, including at the International Criminal Court. It is the world's only standing war crimes tribunal, but the U.S. is not a party to it, and some in Washington oppose it, as NPR's Michele Kelemen reports.
MICHELE KELEMEN, BYLINE: When the U.S. ambassador-at-large for global criminal justice spoke at a recent U.N. meeting, Beth Van Schaack had a warning for Russian officials and rank-and-file officers.
