SEN. MITCH McCONNELL [R-KY] reportedly falls down stairs in D.C. In the post, this important note:

The lingering effects of polio in his left leg will not disrupt his regular schedule of work.

As a polio survivor myself, I can attest that post-polio syndrome is real. It's debilitating, progressive, and not treatable. The mind is untroubled, but the body is not.