"Reading at Some Private Schools Is Delayed" by S. Nir in the NY Times

... Early reading does not necessarily guarantee future success. “Being able to decode words is not a direct line to heightened I.Q.,” said Dr. Stephen Sands, a pediatric neuropsychologist and assistant professor at Columbia University Medical Center. “Reading is part of academic achievement, but intelligence is part of a different dynamic.”
Read more at 
http://www.nytimes.com/2011/02/15/nyregion/15reading.html?pagewanted=1&s...