Japanese Prime Minister Shinzo Abe’s public approval rating has risen to a three-year high following his visit to Pearl Harbor, according to a survey by the Nikkei newspaper and TV Tokyo. The rating rose six points from a month earlier to 64 percent, the highest level since October 2013, according to the poll taken on Dec. 28 to Dec. 29. Most Japanese supported Abe’s trip to the site of the nation’s 1941 attack, with 84 percent in agreement and 9 percent opposed, the survey showed.