Dem front-runner Biden trails Buttigieg in fundraising total.

Democratic presidential candidate and South Bend, Ind., Mayor Pete Buttigieg speaks during a news conference at the Rainbow PUSH Coalition Annual International Convention in Chicago, Tuesday, July 2, 2019. (AP Photo/Amr Alfiky)

Former Vice President Joe Biden has raised $21.5 million since launching his White House bid in late April, his campaign said Wednesday. While Biden’s haul will put him in the top tier of Democratic fundraisers, he lags behind Pete Buttigieg…