Senator Mitch McConnell, the 84-year-old Kentucky Republican and former leader, had been absent for more than 13 weeks after a health incident, fueling questions about his ability to continue serving.
Mitch McConnell Returns to Senate After Three Month Absence
Senator Mitch McConnell arriving for a vote at the Capitol on Monday afternoon. He had not been seen there since he last cast a floor vote on June 11. Tierney L. Cross for The New York Times