peHUB Second Opinion

A Predictor: What experiment provides a link between environmental pollutants and crime? The marshmallow test. In For a Dollar: Mitt Romney formally entered the 2012 Republican presidential race in New Hampshire. Lost in the Groupon Hype: Pandora is looking to raise $123.2 million in IPO. And Felix Salmon talks about "Grouponomics." Apple: Steve Jobs & Co. has cut a licensing deal with holdout Universal Music Group. Apple already has deals with EMI, Sony and Warner Music. We Knew This: The ivy league is still the best way to get a job on Wall Street. Rivals: Amazon enters the daily deals space with AmazonLocal.