FILE - In this Sept. 22, 2016 file photo, Secretary of State John Kerry speaks in New York. Kerry is threatening to cut off all contacts with Moscow over Syria, unless Russian and Syrian government attacks on Aleppo end. The State Department says Kerry issued the ultimatum in a Wednesday, Sept. 28, 2016, telephone call to Russian Foreign Minister Sergey Lavrov.(AP Photo/Jason DeCrow, File) **FILE**