"I think that there's a bit more realism, " Alexander Vershbow, US Ambassador to Moscow told me.

BBC: Honeymoon over for Russia and US

U.S. Ambassador to Russia Alexander Vershbow, in a radio interview Tuesday, said the United States "fully rejects" accusations by Russian ambassador Vladimir Titorenko that U.S. military fired on the convoy intentionally.

CNN: U.S. says Russian convoy off-route