He was looking for an answer to a question that was vexing him: how could he break into China's tightly controlled entertainment business?

WSJ: Katzenberg Unveils China Film Project

He is on sabbatical now and spends most of his time writing and occasionally lecturing on a vexing subject: How should people who call themselves Christians conduct their lives in the secular world?

FORBES: Magazine Article

Automakers still haven't figured out one of the most vexing problems about fuel cells: how to store enough hydrogen onboard.

FORBES: Fueling Hope

Yet divorce lawyers say their split highlights one of the most vexing issues in matrimonial law: how to split the money.

FORBES: Magazine Article

It's amazing to consider how many (original) bad hardware choices have been overcome with this new design, but also somewhat vexing if you were an early adopter.

ENGADGET: Amazon Kindle 2 review