Soul of Nation at Stake, Biden Says, as he Launches Presidential Bid

Former Vice President Joe Biden made it official Thursday: He is a candidate for president in 2020. Biden is at the top of the 20-person Democratic presidential field, according to public opinion polls. But Biden has failed in two previous runs for the White House and now faces serious questions about his age, his policy positions, and whether he can draw support from a younger, more diverse Democratic Party. VOA National Correspondent Jim Malone has more from Washington.