madman theory, n.All

The Madman theory (n.) holds ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠that a nuclear power is safest when rivals suspect it might snap and lash out irrationally.

Madman theory (n.) holds ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠that a superpower is more frightening if it seems capable of going irrational and vindictive — so planners should cultivate the look of being out of control.