As former Vice President Joe Biden edges his way toward declaring his presidential candidacy for 2020, two prospective Democratic challengers have handed him political gifts.
Former New York Mayor Michael Bloomberg and Ohio Sen. Sherrod Brown have suddenly abandoned their own chances for the nomination.
In so doing, they have narrowed the competition of the most experienced and well-regarded contenders and enhanced Mr. Biden's hope to be the candidate of the party's broad moderate-to-liberal constituency. Both Messrs. Bloomberg and Brown were considered to be in the same ideological lane for the nomination.
Meanwhile, four progressive women senators — Elizabeth Warren of...