Illegal aliens working in the United States are technically required to fill out a tax return and pay their income taxes. We all laugh about claiming a additional deduction here or there for some neighborhood kid who eats the food out of your fridge and hangs out at your house all the time, but many of these workers are claiming deductions for children living in Mexico. Each spring, at tax preparation offices all across the nation, many illegal immigrants are now eagerly filing tax returns to take advantage of a tax loophole, using their ITIN numbers to get huge refunds...