NEW: The Trump administration's trucking crackdown — Operation Highway Shield — has led to 51 immigration detentions as inspections are now expanding across the

NEW: The Trump administration's trucking crackdown — Operation Highway Shield — has led to 51 immigration detentions as inspections are now expanding across the country. The Department of Transportation released new stats on the operation: - 3,487 enforcement stops - 766 unsafe trucks/drivers take…