Mumbai, Jan. 21 -- The Japanese yen hovered around 158 per dollar, struggling for direction as Prime Minister Sanae Takaichi's proposed cut to the 8% food sales tax revived worries over Japan's fiscal outlook, with funding details still unclear. Political uncertainty deepened after the announcement of a Feb. 8 snap election, while markets looked ahead to the Bank of Japan's policy meeting, where rates are expected to remain unchanged following December's hike. Although traders remained alert to the risk of yen intervention amid inflation concerns, losses were partly offset by a softer US dollar as escalating US-Europe tensions over Greenland undermined confidence in American assets. The dollar index traded at 98.4 against the basket of 6 ...