We invest vast sums in a future that may not exist, says Peter Thiel
                                
                                
                                    (Newser) -
                                    We’re in the midst of another bubble, and it's not an Internet one, according to PayPal co-founder Peter Thiel. It's a higher education bubble, and "like the housing bubble, the education bubble is about security and insurance against the future,” writes Sarah Lacy, who sat down to...