WASHINGTON — The raging political fight over immigration comes to the Supreme Court on Monday in a dispute that could affect millions of people who are in the United States illegally.The court is weighing the fate of Obama administration programs that could shield roughly 4 million people from deportation and grant them the legal right to hold a job.Among them is Teresa Garcia of suburban Seattle, who has spent 14 years in the United States illegally after staying beyond the expiration of her tourist visa in 2002.She …