Because it would likely bring them large campaign contributions from those companies that would like an influx of cheap foreign workers.<quoted text>
Why would Republican politicians care about what people pay for wages in this country? They don't care about that because it doesn't buy them one vote.
"Romney's plan, unveiled this week, incldes a proposal "to raise the ceiling" on visas for holders of advanced degrees in math, science "who have job offers in those fields from U.S. companies."
"We know that foreign workers, even advanced degree holders, will accept less pay and poorer working conditions, displacing even more American workers and undercutting their wages and working conditions," Hira said."