And we will do everything in our power to prevent it from happening again.

I'm doing everything in my power to prevent it, but if he is tried, we have to be ready.

"The board has no power to prevent a religious institution from building here," he said.

But under the law they had no power to prevent him from doing so.

"And therefore this nation must do everything in our power to prevent it."

No one must ever have the power to prevent others from listening.

The Fed will do everything in its power to prevent that.

As a Commission, we did everything in our power to prevent it.

We must, together, do everything in our power to prevent this from happening.

Both had the power to prevent her, if they elected to do so.