text:  His delegates are no longer pledged to him. And it's essentially an open season. Any candidate eligible to be the president could emerge, including candidates who did not run in the primaries. And delegates could vote for them. And while most logical contender to receive the endorsement would be Vice President Kamala Harris from Biden, Biden can choose anyone. Biden can say to his delegates, guys, too old. All my delegates go to fill in the blank. And they basically would.