Mitch McConnell, the Republican leader in the US Senate, suffered an initially unreported fall earlier this month, before a very public health scare this week revived questions about his age and fitness.
On Wednesday, while speaking to reporters at the US Capitol, the 81-year-old appeared to freeze for nearly 20 seconds. Another Republican senator, John Barrasso of Wyoming, a doctor, then escorted his leader away from the cameras.
