"Russian President Vladimir Putin has said that the need to use nuclear weapons in Ukraine had not arisen and that he hopes it will not. In comments aired Sunday in a film by Russian state television about his quarter of a century in power, Putin said Russia has the strength and the means to bring the conflict in Ukraine to a "logical conclusion." Responding to a question about Ukrainian strikes on Russian territory, Putin said: "There has been no need to use those (nuclear) weapons ... and I hope they will not be required."