Some 300 South Korean workers returned home on Friday to emotional reunions with families, one week after being detained in a major US immigration raid that left some questioning whether they would ever work in the United States again. Wearing face masks, they disembarked a chartered plane at Incheon airport and were greeted with cheers from officials, including the presidential chief of staff, before being taken by bus to meet family members. Their return capped a week of intense negotiations by Seoul to win their release and bring them home after they were taken into custody in handcuffs and shackles - images that shocked many in South Korea, a key US ally. South Korean businesses have long struggled with obtaining...