It's not the first time such vexing questions have arisen in Washington.

But the vexing questions of this war have pulled them in different directions.

Our idea was to come up with some solutions for the vexing annual question of what to drink at Thanksgiving.

It is a vexing question, given the speed with which technology changes.

Some other researchers questioned the findings, and most agreed that the new study would not resolve the vexing questions for women.

And as you've pointed out, the most vexing question of all, why do they come?

Just when these walls were later added remains a vexing question as so little positive evidence has even now been recovered.

But the more vexing question is whether there's such a thing as race in terms of biology.

The long-term answer will deal with the vexing question of how to train American workers for a new world of jobs.

Suddenly, a vexing question was in the air: What on earth is a dramaturge?