Rosetta Stone shares are trading lower after the language instruction software company announced that CEO Tom Adams plans to step down.

FORBES: Rosetta Stone Slides; CEO Tom Adams To Step Down

He said he hoped common sense would now prevail so that students could come into the UK to study English with a lower level in the language, equivalent to having studied it for 150 to 200 hours.

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We believe that this ruling by the lower court is fundamentally flawed and contrary to the language of the Digital Millennium Copyright Act, the intent of Congress, and the views of the Supreme Court as expressed in its most recent decisions.

FORBES: Google Wins Three-Year Legal Battle With Viacom Over YouTube

He offers several reasons, starting with spending in Britain on language teaching in schools, which is proportionately lower than in France or Switzerland, say.

ECONOMIST: The economic consequences of the rise of English

Hispanic children had lower rates of disabilities than white or black children, which perhaps reflects language difficulties and other barriers to accessing health services rather than the true rate of disability.

CNN: CDC: Autism, ADHD rates on the rise

Some analysts and officials note that North Korea's proposals, while extreme, come as it has eased off its more threatening language toward the U.S. This suggests, some say, a lower risk of an accidental clash escalating into a larger conflict.

WSJ: North Korea Reaffirms Commitment to Nuclear Program