[US Democratic leaders call on Biden and his campaign team to prove they can win the election] Golden Finance reported that US Democratic leaders called on President Biden and his campaign team to provide convincing evidence that he has a viable path to victory in the general election. It is reported that the Democratic Party's poll results in key states are still lagging behind, and Democrats are increasingly worried that Biden will not be able to defeat Trump in November. According to reports, senior leaders of US labor unions have also expressed serious concerns about Biden's candidacy. At a closed-door meeting on the 10th, some union leaders said that public doubts about Biden's ability to serve as president are undermining his candidacy, and repeatedly asked Biden's campaign team about plans to defeat Trump. (CCTV News)