Struggling insurer American International Group Inc. will receive up to $30 billion in additional federal assistance in the fourth government rescue of the company, people familiar with the matter told The Associated Press on Sunday. The new infusion is intended to prop up AIG — once the world's largest insurer — as it is expected to announce $60 billion in quarterly losses early Monday, a person said on the condition of anonymity because the discussions are still ongoing. The company, which is considered too large to be allowed to fail, previously received about $150 billion in loans from the government, which currently holds an 80 percent stake in the company. Under the new deal, the U.S.