With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?
Many birds have an instinct to protect their young when approached by a predator, but they will eventually give up if the predator is too strong or dangerous to deter.
It was signed by its director, Thomas Perez, whose role in blocking a similar case from reaching the Supreme Court last year has Mired his nomination as Labour secretary in controversy.
A foreign diplomat adds that countries such as Egypt and Saudi Arabia, which might in the past have blocked a Gulf upstart from flaunting such ambition, no longer have the will to try.
It seems wrong to stand by while she slips further away, but I know from experience that she will be angry and defensive if I confront her about her drinking.