thank you very much meryl comer. [applause] >> thinks for coming on this glorious day the last day of summer i am touched. the issue is very important i would like to do a survey i am much more interested in the audience and myself. how many have a family member or relative with this disease in the audience? how many have a friend or colleague who is loved one has been affected? a family member or a friend in the caregiver role? are you concerned about a loved one or yourself? raise your hand are there any doctor's lawyer psychiatrist or politicians in the audience? good. [laughter] we have a good conversation this is a special audience to me because you are engaged around the body politic and to the c-span audience this is one of the most important stops there will ever make on a book to our. -- tour this morning i look to see how many books written on alzheimer's there is over 11,000 books. to really need another book on alzheimer's? sought out of respect to better tell you what it is and what it isn't. first of al