An Indian-American former Mckinsey partner, a key government witness in the high-profile insider trading trial of Wall Street tycoons Raj Rajaratnam and Rajat Gupta, was on Thursday sentenced to two y

New York: Former McKinsey director Anil Kumar today testified against his ex-Wharton classmate and Sri Lankan-born billionaire Raj Rajaratnam in the biggest insider trading case to hit US courts in