LOS ANGELES, CA - FEBRUARY 6:  Former US President Ronald Reagan enjoys a round of golf on his 85th birthday 06 February in Los Angeles, California.  Reagan, who now suffers from Alzheimer's disease, was unable to attend a $1,000-per-plate birthday celebration for the former president at the famous Los Angeles restaurant Chasen's.    --NO MAGAZINE OR ELECTRONIC MEDIA SALES---NO PERMISSION GRANTED FOR ARCHIVAL STORAGE OR FUTURE SALES.--- AFP  PHOTO  (Photo credit should read Michael GUASTELLA/AFP via Getty Images)