AP - President Barack Obama wrested a $20 billion compensation guarantee and an apology to the nation from British oil giant BP Wednesday, announcing the company would set up a major claims fund for shrimpers, restaurateurs and others whose lives and livelihoods are being wrecked by the oil flooding into the Gulf of Mexico.AP - President Barack Obama wrested a $20 billion compensation guarantee and an apology to the nation from British oil giant BP Wednesday, announcing the company would set up a major claims fund for shrimpers, restaurateurs and others whose lives and livelihoods are being wrecked by the oil flooding into the Gulf of Mexico.