Senator Tim Kaine, Hillary Clinton’s running mate in 2016, handily won re-election against Corey Stewart, a Republican dogged by his previous associations with white nationalists and his praise for the Confederate flag. Read more

In a competitive state that Ms. Clinton won by 13 points in 2016, a number of House districts reflect the overall dynamics in the midterm elections: Competitive races flooded with campaign cash, female first-time candidates buoyed by a backlash against President Trump’s ascendance, and red districts that could flip in a blue wave.