WASHINGTON - House Republicans voted to cut student loan subsidies, child support enforcement and aid to firms hurt by unfair trade practices as various committees scrambled to piece together $50 billion in budget cuts. More politically difficult votes — to cut Medicaid, food stamps and farm subsidies — are on tap Thursday as more panels weigh in on the bill. It was originally intended to cut $35 billion in spending over five years, but after pressure from conservatives, GOP leaders directed committees to cut another $15 billion to help pay the cost of hurricane recovery. President Bush met with House...