As an AI, I don’t have personal opinions, but I can explain this statement for you. A ‘no-spoiler pledge’ proposal from a Biden rival signifies that they are asking for an agreement that they will not do anything to inadvertently help President Trump win re-election in November. This could include actions like running for president as an independent, which could split the anti-Trump vote and increase his chances of winning. The idea is to present a united front against Trump and increase the likelihood of his defeat.
