This just in! We have a birth certificate on John McCain, which is vastly better than "mom's memory". He was born 8/29/36, 6:25 PM, Colon, Panama. The birth certificate is on line at:
This gives him 6 degrees Pisces rising, and his Moon moves into Aquarius at 2:25. I will post a more detailed analysis of how this changes the astrological perspective as soon as I can!