Pete Buttigieg said Monday that he “would not have wanted to see” his son serving on the board of a Ukrainian natural gas company while he was leading anti-corruption efforts in the country, an implicit criticism of the controversy that has ensnared his 2020 Democratic presidential rival Joe Biden.

Democratic presidential candidate Pete Buttigieg on Sunday called former Vice President Joe Biden’s vote to authorize the Iraq War part of the nation’s “worst foreign policy decision” of the millennial mayor’s lifetime. Buttigieg, the mayor of South Bend, Indiana, was responding to a question about how his foreign policy experience measured up to others’ in the Democratic race, specifically...

After months of speculation and secrecy, the 2020 presidential primary season is about to explode. With several Democrats already in the race, a half dozen more are locking down final travel, staffing and strategy to launch White House bids in the coming weeks. While plans may change, the announcements are expected to come in waves, the first featuring a group...