But the past responsibilities you've had have not required you to enunciate your views in any detail on major constitutional issues and questions.

But my responsibilities require me to prioritize any possible political implications.

The overall theme of the book is that social responsibility requires being prepared to make individual sacrifice.

Our responsibility for and to humankind doesn't require us to know.

"Political responsibility requires that our defense efforts and the expenditures required to support them be adjusted to new conditions."

Certain financial responsibilities may also require a more conventional structure.

That responsibility, in turn, requires us to make sure the United Nations is up for the job.

The management's "fiduciary responsibility to our shareholders" required the company to go to the police, it said.

The new responsibilities under the treaty and the 2020 strategy require funding.

Even if it were not, our environmental responsibility would require us to manage its use far better.