Mr Coppinger is required to explain the reason for the appointment which led to the police authority's chief executive Stuart Pudney's being replaced.

BBC: Barry Coppinger

How does one explain the reason for engaging in unauthorized discretion?

FORBES: Morgan Stanley Broker Cited For Discretion And Unsolicited Trades

Authorities did not explain the reason for the raid, which including agents from the Federal Bureau of Investigation, the U.S. Department of Health and Human Services and the Florida Attorney General's Medicaid fraud unit.

FORBES: Magazine Article

Mr. Holmes, 24, a doctoral student in neuroscience, withdrew from the University of Colorado Denver on June 10, three days after key oral exams, the university said Monday, adding that he didn't complete the paperwork or explain the reason for his withdrawal.

WSJ: Colorado Shooting Suspect Appears in Court

But since earnings season has been over for some time now, again, this does little to explain the reason that stocks went on a tear last week.

FORBES: Gentle Ben Opens The Door For QE3

If she is to become a contender, Mrs Clinton will have to explain not just her view of the world (which will mean alienating somebody), but also the reason for her campaign.

ECONOMIST: Hillary Clinton

While Environmental Protection Agency clean air regulations such as the Mercury and Air Toxics Standard (MATS) can explain some of the future expected displacement of coal by natural gas, shale gas economics is a significant reason for the displacement.

FORBES: Surprise Side Effect Of Shale Gas Boom: A Plunge In U.S. Greenhouse Gas Emissions

For that reason, music has become a proven and powerful tool for marketers, which to some extent may explain the increasing interest in Spotify.

FORBES: Spotify Is Helping Brand Managers Change Their Tune