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The one bright side here is that it starts to seem unlikely we'll have a contested convention at the end of the primary. The candidates who have dropped out simply didn't take too many delegates off the table, so the race would have to be extremely close for a 2nd ballot
Also keep in mind that the rules for what happens to delegates awarded to the candidates who dropped out vary by state, and also for state-wide delegates vs district delegates, so the number off the table is not the number you'll for Warren & co see if you google primary results
