Reuters: U.S. lawmakers in the House of Representatives unveiled a bill on Wednesday similar to an effort in the Senate that would force BP Plc to pay hefty damages from the Gulf oil spill, as both the White House and Congressional leadship signaled support. The House bill, like legislation introduced by Democratic Senators earlier this week, would raise the maximum amount of money BP could be required to dole out for economic losses caused by the spill to $10 billion. With the Gulf oil …