Former U.S. Vice President Joe Biden, 2020 Democratic presidential candidate, listens during the Planned Parenthood Action Fund (PPAF) We Decide 2020 Election Membership Forum in Columbia, South Carolina, U.S. (Photographer: Al Drago/Bloomberg)

‘Middle Class Joe’ Biden’s Income Surged to $15 Million in Two Years

(Bloomberg) -- Democratic front-runner Joe Biden is building his presidential campaign around the middle class values he shares with his core voters. Now he may need to convince them he’s still one...