 Joe Biden has issues. What are those issues? We keep having medical people weigh in. Neurologist Russell Swarovski, Dr. Russell Swarovski says it's observable. You could take a look at Joe Biden from 12 months ago and see an observable change in his physical aspect. Putting all politics aside, it's really been very distressing to watch this degree of cognitive decline, the confusion and the rambling and the sudden loss of concentration in the middle of a sentence.