The expanded visa bond program, which requires those foreign nationals to pay $15,000 for a B1 or B2 visa for business and tourism, will go into effect April 2. The aim is to prevent visitors from overstaying their visas, the official said. The new nations included in the Visa Bond Program are Cambodia, Ethiopia, Georgia, Grenada, Lesotho, Mauritius, Mongolia, Mozambique, Nicaragua, Papua New Guinea, Seychelles and Tunisia.The official said the bonds will be refunded to visa recipients who return home, or do not travel for the first time, in compliance with the terms of the visa and bond. The State Department official said the program has cut down on the number of people who overstayed their visas. (This is a Reuters story)