Sentence examples for key question persists from inspiring English sources

A key question persists in the wake of George Zimmerman's acquittal on charges of homicide: To what extent did race play a role in the death of Trayvon Martin?

The key question is whether any of the trends observed in those years will persist in 2014.

Of course, then, a key question is why do these interventionist policies get implemented, and why does political instability persist.

That remains the key question.

That's the key question".

The key question is timing.

But the key question is: when?

Here's the key question, I think.

But the question persists: what is a planet?

The question persists: Could Lehman's collapse have been avoided?

So the question persists: What's wrong with Tiger?