Democratic socialism surging in the age of Trump

Corey Butler, center, stands as he explains what democratic socialism is to him on Monday during a meeting of the Southern Maine Democratic Socialists of America at City Hall in Portland, Maine. (AP Photo/Charles Krupa)

PORTLAND, Maine — A week ago, Maine Democrat Zak Ringelstein wasn’t quite ready to consider himself a member of the Democratic Socialists of America, even if he appreciated the organization’s values and endorsement in his bid to become a U.S. senator.