Ronald Reagan's doctor comes to him and says,""I'm afraid it's Alzheimer's, Mr. President."" Reagan muses this information over then replies,""Well, I always say 'trust, but verify' so verify it to me doctor."" The doctor goes and has extensive tests done on Reagan's brain and even calls in a second doctor for confirmation. After waiting a few days for the results he visits Reagan again. ""Mr. President, I have conclusive evidence that my prior diagnosis was correct."", the doctor says confidently. ""What diagnosis?"", Reagan replies confused. ""The one that said you have Alzheimer's."", the doctor said mouth gaping open. ""Oh, well I always say, 'trust, but verify' so...""