William Hagerty, a Tennessee businessman, has returned to Tokyo as U.S. ambassador and vowed to deepen personal relations with as many Japanese people as possible during his tenure.Hagerty, a close ally of President Donald Trump, spent about three years in Japan from the late 1980s to early 1990s working for the Boston Consulting Group, and served as commissioner of economic development for the state of Tennessee from 2011 to 2015.U.S.-Japan ties at "highest point" amid N. Korea woes: new U.S. envoyIn an interview with Kyodo News on Tuesday, Hagerty said his Japanese is "a little rusty" wit…READ FULL ARTICLE