Dems pick potential successor to DC's congressional delegate after decades-long incumbency

At-large D.C. Council member Robert White Jr. won the Democratic primary Tuesday for Eleanor Holmes Norton’s longtime non-voting congressional seat, putting him on track to become the district’s first new member of Congress since 1991.

The rare open-seat contest for D.C.’s delegate post came after Norton, 88, announced she would not seek another term following 18 terms in Congress. The Democratic nominee will advance to the November general election in heavily Democratic Washington, where...