WASHINGTON — Hungary’s government built a fence along its southern border, boasts about making Europe great again and says political correctness can’t interfere with fighting terrorism. [...] its top diplomat is excitedly meeting officials across Washington this week to discuss closer political, economic and military cooperation, and not the U.S. charges of democratic backsliding in Hungary that largely defined the relationship in recent years. Whereas American diplomats regularly chided Hungary’s government over allegations of shrinking media freedom, and declining judicial and electoral independence, he said the situation has improved since Trump made clear the “export of democracy” was no longer a focus of U.S.