KEY POINTS FROM THIS ARTICLE
— With 19 days to go before the election, Joe Biden’s lead in the presidential race remains steady, although his national lead is bigger than his leads in the most crucial swing states.
— In the Senate, Republicans appear to be getting some traction against Sen. Gary Peters (D-MI), although Peters remains favored in our ratings. Overall, the Senate battlefield continues to expand, with Republicans having to play more defense in places like Alaska and Kansas.
— Eight House rating changes largely benefit Democrats.