Another health scare for Beau Biden: The Delaware attorney general is being evaluated at a renowned cancer center in Houston after becoming "weak and disoriented" while driving to Indiana for a family vacation, Delaware Online reports. The younger Biden, 44, suffered a mild stroke three years ago and visited hospitals in Chicago and Philadelphia before heading to the Houston facility. The owner of a local restaurant says Biden seemed "friendly and healthy and hungry" when he visited for dinner yesterday with family members including his father, Joe. (More Beau Biden stories.)