US Secretary of State Rex Tillerson’s appeal to Kremlin to choose between Washington and the Bashar alAssad regime in the Syria conflict sounded like a hollow ultimatum. "I think everyone knows by now that it’s useless to come to Russia with ultimatums," retorted Russian foreign ministry spokesperson Maria Zakharova.

Tillerson delivered the ultimatum ahead of his visit to Moscow, two weeks ago to discuss the latest situation following the US m