peHUB Second Opinion 1.13

For reasons hard to imagine, Jon Corzine is shopping for office space in Manhattan. The FTC reportedly just expanded its antitrust probe of Google to include its social networking platform Google+. The Samwer brothers rip off another popular U.S. startup. Meet Pinspire. The lead prosecutor in the insider-trading case against Raj Rajaratnam is leaving the U.S. attorney’s office for private practice. Wikipedia mulls a SOPA blackout, too. Times correspondent Jodi Kantor, on Michelle Obama's unhappy response to her new book.