MOSCOW - Discussion in the West about arming Ukraine with nuclear weapons is "absolutely irresponsible", Kremlin spokesman Dmitry Peskov said on Tuesday, in response to a report in the New York Times citing unidentified officials who suggested such a possibility.The New York Times reported last week that some unidentified Western officials had suggested U.S. President Joe Biden could give Ukraine nuclear weapons before he leaves office."Several officials even suggested that Mr. Biden could return nuclear weapons to Ukraine that were taken from it after the fall of the Soviet Union. That would be an instant and enormous deterrent. But such...