30 Issues in 30 Days continues with a look at higher education. Is it the next bubble? What's the value of a degree in 2012 anyway? Tamar Lewin of the New York Times, Anya Kamenetz of Fast Company, and Neal McClusky of the Cato institute discuss. Plus: David Sanger on US diplomacy post-embassy-attacks; your calls on the one-year impact of Occupy Wall Street; and Randy Cohen talks ethics.