NEW YORK CITY — Former Presidents Barack Obama and Bill Clinton increased the wattage of the spotlight shone on President Joe Biden Thursday during a high-dollar, high-stakes fundraiser at Radio City Music Hall in New York City. But Biden's predecessors appeared to remember their responsibility as Democrats to the party and underscored the incumbent's record, as Former Presidents Barack Obama and Bill Clinton increased the wattage of the spotlight shone on President Joe Biden Thursday during a high-dollar, high-stakes fundraiser at Radio City Music Hall in New York City.