Wed 28 Oct 2009, Jaloon Htaw According to a Mon migrant worker source living in Mahachai, in Thailand’s Samutsakom province, hundreds of Burmese migrant workers living in the city have already returned to Burma after opting not to register for the new temporary passports that will become mandatory for migrant workers in Thailand this February. This source reported to IMNA that last week, he saw truckloads of roughly 300 migrant workers departing from Mahachai several times a week. Reportedly