03.04.2020 - By ABC News
This is now a two-way race for the Democratic nomination. Former Vice President Joe Biden's huge Super Tuesday reorders the race but doesn't come close to locking anything down. Sen. Bernie Sanders and the progressive movement now regroup, with an intriguing series of states up next, even as California votes still roll in.
Guest: David Plouffe, campaign manager for Barack Obama's successful 2008 presidential bid