But it is a challenging environment in which to do that.

WHITEHOUSE: President Obama News Conference

It is the right to do that, without due process, that Mr Maduro is now challenging.

ECONOMIST: UN law

It is often far more effective to give them something challenging to do.

CNN: STORY HIGHLIGHTS

If this is indeed why the topic is so under-blogged, it may well be an unmovable reality of blogging, but it is a pretty poor excuse and we should be challenging each other to do better.

FORBES: Bloggers and Economists are Failing on Immigration

Readers may be surprised to learn that it is no longer technically challenging to trace a call, even one with a falsified caller ID (as many Spammers do).

FORBES: Does the 'Do Not Call' List Even Work?