For the second time in a little over a month, Senator Mitch McConnell of Kentucky, the longtime Republican leader, froze up during a news conference on Wednesday, elevating concerns about his health and his ability to complete his term that ends in January 2027.
At an event hosted by the Northern Kentucky Chamber of Commerce, Mr. McConnell, 81, who was elected to his seventh term in 2020, paused for about 30 seconds while responding to a…