Yahoo News explains: Why is Paul Manafort facing a second trial?

The legal woes for President Trump’s former campaign manager Paul Manafort aren’t over yet. On Aug. 21, he was convicted of eight criminal counts of tax and bank fraud in a federal Virginia court. But now Manafort faces a second trial in a Washington, D.C., federal court in mid-September. Why is he going to trial again, and what are the charges against him? Yahoo News explains.