Nancy Reagan marks 8th anniversary of husband's death

(CBS News) Former First Lady Nancy Reagan visited former President Ronald Reagan's grave today at the Ronald Reagan Presidential Library in Simi Valley, Calif., to mark the eighth anniversary of his death. The Ronald Reagan Presidential Foundation released the poignant photo above of Mrs. Reagan's visit, where she laid flowers on the grave.

The 40th president died on June 5, 2004, at age 93, after battling Alzheimer's disease for 10 years.