In Healy's opinion, electronic gaming at a young age can lead to shorter attention spans, a lack of internal motivation, difficulty with problem solving and a lack of creativity.

FORBES: Baby Frankenstein

Manpower was the real problem, and in particular the difficulty of persuading engineers and skilled tradesmen to leave the United States to dig a ditch in a fetid tropical swamp.

ECONOMIST: American canal building

As a non-mathematician, he appreciates the difficulty of explaining a recondite mathematical problem to a general audience, and gives a vivid account both of the passion that mathematicians have for their subject and of the fascination for this particular problem.

ECONOMIST: Mathematics

And a big part of the problem is that they have great difficulty finding work.

FORBES: Why Ex-Cons Make Great Entrepreneurs

One problem highlighted in the story (and the conference) is the difficulty many green energy companies are having in finding sufficient capital.

FORBES: The Day Bill Gates Was The Answer To His Own Question

Analysts are convinced that energy storage is the ultimate key to providing clean and cheap energy, but even these giants are finding difficulty in grappling with the problem.

FORBES: Power Opportunity for GE, et al: How To Store Wind/Solar Renewable Energy

One problem is the difficulty in getting the vaccine to women between the ages of 19 and 26, who switched from seeing pediatricians to obstetricians and gynecologists.

FORBES: Magazine Article

Dyslexia was long thought to be a vision-related problem, but there's a growing consensus that dyslexics instead have difficulty associating letters with spoken sounds and blending them together fluidly to make words.

WSJ: Dyslexia Workarounds: How Henry Winkler, Gov. Dan Malloy, Delos Cosgrove Got Creative to Get Ahead