The White House did not respond to questions about Trump's refusal to have a note taker for his meeting with Putin, or about whether McMaster communicated his concerns to the president.
By embracing Russia, Donald Trump bumps up against top advisers →
"Such zones are a priority for the United States, and we're encouraged by the progress made to reach this agreement," the president's national security advisor, U.S. Army Lt. Gen. H.R. McMaster, said in a statement.
H.R. McMaster calls U.S.-brokered cease-fire 'important step' toward ending Syria civil war →