It does not take long for the vexing issues of race and national origin to creep onto the field.

The balance between form and content has been a vexing issue.

That's all the more reason for Pyongyang to lay this vexing issue to rest.

And until those issues are resolved, many vexing issues remain.

Perhaps the most vexing issue is how candid to be with the children.

But perhaps the most vexing issue is whether private ferry service should be subsidized.

But many vexing issues - including the republic's future status - have yet to be resolved.

And yet it is among the most vexing issues that the next senator will have to face.

But financing it, he said, remains "a vexing issue for all of us."

The Middle East conflict is one of the most vexing diplomatic issues in the world.