No theoretical exercise, the program is having a corrosive effect on policymaking and the lives of Americans.

This is no theoretical exercise, and there is no easy answer.

It's amazing that the record doesn't just seem like a theoretical exercise.

The question of what new programs to support would be a largely theoretical exercise, at least for a while.

Until recently, the intersection of democracy, Islam and American foreign policy was more a theoretical exercise.

This is not a theoretical or mechanical exercise.

I particularly enjoyed the theoretical and practical exercises to make you more familiar with specific wines or the grapes from which they are made.

This is not just some theoretical academic exercise; we are making political choices about balancing the rights and expectations of parties before civil courts.

In short, it all seems to me to be a theoretical exercise which may well often prove pointless.

But usually it was little more than a theoretical exercise, because there was no cure for most neurological problems.