California Congresswoman Bass has emerged a leading contender to be Democrats' vice presidential candidate. Allies say her reputation as a bridge-builder would make her a strong partner to presumptive Democratic presidential nominee. Enter Karen Bass, who became Assembly speaker that May, the first Black woman to hold the role. The presumptive Democratic presidential nominee appeared with Bass for the first time at a fundraiser on Thursday. With Karen Bass' comments about Fidel Castro, it will be served up on a silver platter."