After Blackstone's triumph, barbarians at the public gate
                                
                                
                                    (Newser) -
                                    Corporate raiders Kohlberg Kravis Roberts & Co. have announced an initial public offering, on the heels of a wildly successful $34B IPO by rival Blackstone yesterday. The mammoth LBO group, whose boss Henry Kravis maintains a well known rivalry with Blackstone's Stephen Schwarzmann, waited to make sure Blackstone swam before...