Republicans in Congress enacting President Donald Trump’s agenda are on the verge of approving a sweeping tax-and-spending cuts package that creates a new, higher hurdle to receive food stamps for tens of thousands of former foster youth. Under the provision, those as young as 18 and living in poverty would have to prove they were employed, training or enrolled in school to be eligible for more than three months on the Supplemental Nutrition Assistance Program, known as SNAP. In interviews late tonight, three former foster youth who are leading national voices for their peers — two of whom once relied...