Testimony links firm to Jefferson probe In papers filed with the FBI, Suleiman YahYah, a Nigerian businessman listed as a target in the ongoing probe of Rep. William Jefferson, D-New Orleans, said that one of the 2004 meetings he attended with Jefferson and iGate Inc. CEO Vernon Jackson, occurred in the Washington offices of Worldspace Inc., an international satellite radio provider. YahYah's statement is the first to provide any kind of link between iGate and Worldspace, whose CEO, Noah Samara, said in a June filing with the Securities and Exchange Commission that he turned over documents and gave testimony to...