The programs aim to identify students with high ability, group them together and tailor instruction to their level, but the program has also been criticized as unfairly favoring affluent families and enrolling disproportionate numbers of white and Asian children.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned

However, during the grilling Diamond deflected suggestions from MPs suggesting he must have known that conversation was misinterpreted by Jerry del Missier, then president of Barclays Capital, as an instruction to lower the level.

CNN: Rate rigging scandal: Just the start?

After several hours, including a lot of time with a Blackberry technician and after following the instruction he got from one of the higher-level engineers at RIMM, I had to give up.

FORBES: A Red Flag For Research In Motion