Identifying the world's greatest male athlete turned out to be easy to argue but difficult to answer empirically.

WSJ: The World's Greatest Athlete?

So, I think this question will be fun to answer, but it may be difficult to answer.

FORBES: Ask the Readers: How Much Do You Spend on Fun?

McPhee, like any good defense attorney, is trying to make a case for her client but the government is making it difficult and did not provide an answer to which texts they found most offensive.

FORBES: Former BP Engineer Kurt Mix Asks For Charges Against Him To Be Dismissed

Now this is probably the most difficult and controversial question to answer, but it is a valuable argument worth thinking about.

CNN: Why we made a car for blind drivers

That's why I think it is important that there's a clear legal base, it is important that there is support within the region, but critically that politicians continue to answer and ask the difficult questions.

BBC: Transcript of Douglas Alexander interview

But the substantive questions lobbed at the former senator were few, and were not at all difficult for her to answer.

CNN: Satisfied Senate committee goes easy on Moseley-Braun

It broke the tension for a while, but did nothing to dispel the impression this was a press conference with someone determined not to answer the difficult questions.

BBC: Blair ducks the hard questions

Whether its bifurcation or rolling the ball back I don't know what the answer is, but the environmental question is really the one that is difficult for the manufacturers to refute.

WSJ: Rory McIlroy, Nike Hoping for Long-Term Benefit

So I think that those are probably isolated cases, but without knowing what units they're talking about and so forth, I think that it's difficult to answer that one.

NPR: Iraqis Say They Will Meet Constitution Deadline