Now, we promised wed give you a hint of how compounding makes it desirable to pay sooner rather than later.

FORBES: Rothify now

Yet even setting aside doubts about how far this is desirable (it is hard to believe growth in India or Brazil would have reached today's levels without foreign capital), the studies raise questions about whether capital controls are really the right response.

ECONOMIST: Economics focus

When over an hour a day is spent driving by many, when we spend inordinate amounts of time shuttling people, packages, materials, etc, when humans are terrible at mundane tasks such as driving, how can it not be desirable, even necessary, to move to autonomous driving?

FORBES: Why Google Will Lose in Driverless Cars (and Who Will Win)

With church status being so desirable, how does the IRS police it?

FORBES: If 47% Don't Pay Taxes, Let's Tax Churches

McChrystal has not been asked to testify before Congress about Afghanistan, about what the facts are on the ground, what is doable, what is desirable, how the war can be continued, and how it can end.

WSJ: Peggy Noonan: A 'Necessary' War?

It describes how vulnerable species that overtly display characteristics human beings respect or find desirable -- such as beauty, strength, power or cuddliness -- are more likely to be the focus of concerted conservation programs than animals or plants that are less appealing to the eye.

CNN: Beauty trumps beast in conservation efforts