CBS almost reported Reagan was mentally unfit in 1986

CBS almost reported Reagan was mentally unfit in 1986: "Two sons of former President Ronald Reagan have been engaged in a public disagreement over whether their father exhibited early signs of Alzheimer's disease while still in the White House. Veteran CBS reporter Leslie Stahl, who saw Reagan have mental lapses in 1986, could possibly play a role in settling that feud -- or cause [...]"