Jonathan Bernstein: Reward demagogues, get more demagogues

The news last week that former presidential candidate Tulsi Gabbard was leaving the Democratic Party might not have seemed at first like a very big deal. Gabbard, after all, didn’t seek re-election to her House seat in 2020 and hadn’t played a role in party politics since her failed presidential bid. But her announcement highlights an important and growing gulf between Democrats and Republicans — and helps explain why Republicans, who may well have majorities in both chambers of Congress in January, have become a threat to democracy.