It's obvious Joe will be the nominee. If you take a look at the remaining states that will vote in the month of March (i.e. Michigan, Florida, Georgia, Louisiana, etc.) it's a wrap for Bernie.
Michigan: Biden was a champion for bailing out the automotive industry
Florida: The State is full of older individuals, which is another strong group for Biden. Also, the Latinos in Florida are NOT the same as the Latinos in Nevada and California. Bernie statements about praising Cuba's dictator will not do well in that community
Georgia: BLACK PEOPLE
Louisiana: BLACK PEOPLE
This still does not include those states in April. Delegate heavy New York will demolish any idea of supporting a socialist.