Reagan was worse for much longer
In it, Ron Reagan describes his growing sense of alarm over his father's mental condition, beginning as early as three years into his first term. He recalls the presidential debate with Walter Mondale on 7 October 1984.
"My heart sank as he floundered his way through his responses, fumbling with his notes, uncharacteristically lost for words. He looked tired and bewildered," Ron Reagan writes.
Son Ron Reagan's claim that Ronald Reagan had Alzheimer's while in office leads to war of words with half brother Michael
www.theguardian.com