My, how thinks change. Except, facts don’t change. A joke? Who is the joke on? Joe Biden, His Son and the Case Against a Ukrainian Oligarch By James Risen Dec. 8, 2015 WASHINGTON — When Vice President Joseph R. Biden Jr. traveled to Kiev , Ukraine, on Sunday for a series of meetings with the country’s leaders, one of the issues on his agenda was to encourage a more aggressive fight against Ukraine’s rampant corruption and stronger efforts to rein in the power of its oligarchs. But the credibility of the vice president’s anticorruption message may have been undermined by the association of his son, Hunter Biden, with one of Ukraine’s largest natural gas companies, Burisma Holdings, and with its owner, Mykola Zlochevsky, who was Ukraine’s ecology minister under former President Viktor F. Yanukovych before he was forced into exile. Hunter Biden, 45, a former Washington lobbyist,...