Well, i just want to welcome you. We are still so thrilled tonight to be hosting doctor John Palfreman in conversation about his new book, brain storms the race to unlock the mysteries of parkinsons disease. His books are up for sale at the register. Also, a big thank you to the Parkinsons Institute in sunnyvale for helping us arrange this. And cspan is here filming tonight. I amim going to ask you to raise your hand if you have a question command i will bring the mic over. Professor emeritus of journalism at the university of oregon, and me, dupont, and peabody awardwinning journalist, nieman fellow, and recipient of the victor khan prize for excellence in medical science reporting. John palfreman is coauthor of the case of the frozen alex along with doctor jay william langston. The science fix director of the institute in sunnyvale, california. They coauthor, received numerous awards including the distinguished Achievement Award for modern medicine. Please help me give a warm welcome