Robert F. Kennedy Jr., an independent candidate for president, confirmed doctors found a dead worm in his brain over a decade ago, but his spokesperson says he is now in good health. CBS News medical contributor Dr. Celine Gounder explains more about it.
"How does that happen if we are cleaning and maintaining our voter rolls? ... We are clearly not doing an effective job as you all just witnessed. I will clean up the voter rolls." - Justin Heap...