Dr Barton, who has since retired, told the hearing she "proactively prescribed" the medication because "the probability was her condition would deteriorate rather than improve".

BBC: Gladys Richards

Florida's statute-suggested living will, for example, directs life-prolonging treatments to be stopped if there is "no reasonable medical probability" of recovery from a terminal condition or persistent vegetative state.

WSJ: How to Fix Living Wills

And as age changes the physical condition and interactions of weapons' components and materials, the probability will increase that -- without a renewal of periodic testing -- such defects will increase in severity and number.

CENTERFORSECURITYPOLICY: A credible nuclear deterrent