"Judges must be constantly aware that their role, while important, is limited," Judge Roberts wrote. "They do not have a commission to solve society's problems, as they see them, but simply to decide cases before them according to the rule of law."
That seems like total boilerplate -- nice enough boilerplate, but boilerplate nonetheless -- and makes me think there's not going to be anything of note in the article, but I'm going to read it for you anyway.
Okay. It's interesting, perhaps, that his net worth is $5.3 million and that he was first interviewed for the Supreme Court opening -- by Alberto Gonzales, a competitor for the seat -- three months before O'Connor announced her retirement. He continues to have no memory of any connection with the Federalist Society, including serving on that steering committee that listed him. Not much else.
There is a link to a National Archives page with 14,000 pages of documents written by Roberts. You'll have to read those for yourself. Let me know if you find anything.