Moreover, the emigrants' main reason for leaving--a lack of comparable career opportunities at home--remains unresolved.

FORBES: Brains Abroad

Perhaps one reason for leaving NFC out is Apple believes that smartphones do not provide the ideal payment experience.

FORBES: 7 Reasons Apple is More Doomed Than You Think

But his reason for leaving -- he faced an unwinnable primary election next year -- is no cause for soul searching.

WSJ: How Republicans Can Build a Big-Tent Party

The most common reason for leaving the clinical trial because of side effects was a mix of mental side effects, including depression, anxiety and irritability.

FORBES: The Fat Pill Might Make You Sad

Ponting said a "lack of bowling" was the reason for leaving out left-armer Bollinger, who has been feeling his way back following a side strain.

BBC: Ashes: Michael Clarke passed fit for first Gabba Test

It left interest rates unchanged after its meeting last week and earlier this week cited the pound as a reason for leaving rates on hold.

BBC: Pound hits four-year low

Holmes did not divulge his reason for leaving the program.

CNN: July 24, 2012 -- Updated 0228 GMT (1028 HKT)

What would I say was his reason for leaving?

FORBES: How To Deal With Talent Problems In High-Growth Startups

With employees citing their bosses as the number one reason for leaving their jobs, even the most successful entrepreneur would be foolish to think that losing good talent is a risk they can afford to ignore.

FORBES: The Biggest Mistake An Entrepreneur Can Make

No reason was provided for Snyder's leaving.

FORBES: Last month, an upbeat Mike Snyder

For this reason, there may be merit in leaving the passengers in the Devolution Express to stew a while longer.

ECONOMIST: Bagehot