Slashing personal attacks dominated the first televised face-off between Dr. Abdul El-Sayed, the Democratic nominee for Senate, and former Representative Mike Rogers, his Republican rival.

© Pool photo by Paul Sancya

The former congressman is vying to be the first Republican from Michigan to win a Senate seat in three decades.

© Shelby Tauber for The New York Times

Signs are emerging that dispirited Republican voters may stay home in November, bringing a Democratic surge without many conversions.

© Jamie Kelter Davis for The New York Times