Biden could wrap up nomination on Tuesday
Joe Biden could lock up the Democratic nomination on Tuesday — not in a technical sense, but a substantive one.
Now that a chaotic, volatile primary with more than two dozen contenders is essentially a two-man race, Tuesday’s round of primaries will test if there is any appetite among Democratic voters for a replay of the drawn-out primary fight between Vermont Sen. Bernie Sanders and Hillary Clinton in 2016.
Some delegates from California and other Super Tuesday primaries have yet to be allocated as states tally final results, but Biden...