 The numbers are just eye-popping. 60 million people will drive more than 50 miles this week. That's millions more than last year. And so many of them not in their own cars. Hertz Rental Cars says today is among the busiest days for car pickups. New hope for people with Alzheimer's. The FDA has approved a second drug, Dananamab, to slow the disease progression. CBS News Chief Medical Correspondent Dr. John LaPook.