ANKARA Japan’s Finance Minister Katsunobu Kato on Tuesday said it would be "difficult" to impose tariffs on China and India over their continued imports of Russian oil, following Washington’s proposal for higher tariffs on countries buying oil from Moscow. Speaking at a news conference, Kato said Tokyo would “fully consider what steps would be most effective” in applying pressure on Russia to end its war in Ukraine, according to Kyodo News Agency. "It is difficult to impose higher tariffs on