U.S. Secretary of State Antony Blinken was briefed last week during his trip to Kyiv on elements of a Ukrainian plan to push Russia to end the war, U.S. State Department spokesperson Matthew Miller said on Tuesday. Ukraine’s President Volodymyr Zelensky first spoke of his “victory plan” last month, saying he wanted to discuss it with U.S. President Joe Biden. He is expected to present it on the sidelines of the U.N. General Assembly meeting in New York next week that he said he hopes to attend. Earlier on Tuesday, U.S. Ambassador to United Nations Linda Thomas-Greenfield said Washington had se…