Russia Probe Dogs Trump's First Year in Office

If there is one single word that has dogged and defined Donald Trump's presidency, it is Russia. Several congressional committees and special counsel Robert Mueller are investigating Trump campaign contacts with Moscow, focusing this week on former White House chief strategist Steve Bannon. VOA White House correspondent Peter Heinlein has a look at how Trump's relationship with Russia, and the Kremlin's role in his election, has hung over every moment of his first year in office.