LONDON—The United States is still talking to Russia about a deal to free jailed Americans Brittney Griner and Paul Whelan but Moscow has not provided a “serious response” to any of its proposals, a senior U.S. diplomat said in comments published on Monday. Elizabeth Rood, the U.S. chargée d’affaires in Moscow, told Russia’s state-owned RIA…

LONDON—The United States is still talking to Russia about a deal to free jailed Americans Brittney Griner and Paul Whelan, although Moscow hasn’t provided a “serious response” to any of its proposals, a senior U.S. diplomat said in comments published on Nov. 28. Elizabeth Rood, the U.S. chargée d’affaires in Moscow, told Russia’s state-owned RIA…