With U.S. President Donald Trump becoming the first state guest to visit Japan since its new imperial era Reiwa began, analysts are watching to see if he and Prime Minister Shinzo Abe can demonstrate a robust bilateral alliance without exposing any rifts over trade and North Korea.Japan hopes Trump's four-day trip, which started Saturday, will show that the bilateral alliance is "rock solid" and that the two countries are "friends in trade despite some tough negotiations going on," says Andrew Oros, a professor of political science and international studies at Washington College in Maryland…READ FULL ARTICLE