Not sure if they'll be entirely successful, but we know from experience that they will make a valiant effort. (Or should I say, ... "continue to make a valiant effort.")

Their manipulation has gone on for decades now, and it's still effective. The only good news is that it will get increasingly difficult for them to suppress the prices of gold and silver.

But eventually, they will lose control, and the suppression will end. How soon or how late that will be is anyone's guess.