But by the time the campaign pulled off its multi-state simultaneous rally across battleground states Monday evening – which ended with Lady Gaga singing her song “The Edge of Glory” and adding in, “I’m an American woman on the edge” on the steps of the Philadelphia Museum of Art – a nervous feeling of maybe having made a movement happen was spreading among Harris aides and top supporters. Those aides were a hodgepodge. Biden hadn’t just struggled as a candidate, but had failed to attract some top talent to his campaign because a generation of up-and-coming Democrats could never get excited about him.