For Rajaratnam, the problem with Gupta was that like so many high-achieving executives, he was overcommitted. By the summer of 2008, he had his fingers in a myriad of ventures. New Silk Route, the private equity fund he helped found with Rajaratnam, was sucking more time from Gupta than it should have. His countless board positions, corporate and philanthropic, ate into his schedule. And if that were not enough, he was contemplating raising $600 million for a telecommunications fund.

