Dr. Snyder believes D-serine is there as a fail-safe to make sure memory cells spring into action only when they are supposed to--a process that breaks down during a stroke.

FORBES: Repairing The Brain

Snyder believes that D-serine is there as a fail-safe to make sure that memory cells spring into action only when they are supposed to--a process that breaks down during a stroke.

FORBES: Repairing The Brain

"That was to be the fail-safe in case of an accident, " says LamarMcKayLamar McKay, chairman of BP America, adding that the blowout protector--like the rig itself--was owned by Transocean.

FORBES

"That was to be the fail-safe in case of an accident, " says Lamar McKay , chairman of BP America, adding that the blowout protector--like the rig itself--was owned by Transocean.

FORBES: The Gulf Oil Leak

Which is precisely what happens to the Presidents played by Henry Fonda in Fail-Safe and Peter Sellers in Dr. Strangelove, both released the same year as The Best Man.

CNN: All The Presidents' Movies

Now Israel's airport authority is trying to explain how the knife got through what is vaunted as a fail-safe security system.

ECONOMIST: Taking a harder line