The moment Joan Rivers stormed out of a CNN interview earlier this month, she thought she might be losing her mind.
"I was worried," she said, "because the first sign of Alzheimer's is that you get crankier. I swear to you."
But at 9 a.m. during a recent July taping of her E! series "Fashion Police" in L.A., she'd already been awake for five hours and showed no signs of crankiness.
"Take two or three pieces," she said, offering audience members a basket of candy to pass around. "Whatever you want. Does anyone want to take a picture?"
You'd never know that only days before, the 81-year-old walked away from a...