Now that President Barack Obama and the U.S. Congress have begun a push for comprehensive immigration reform, he wants to ensure he will benefit. When the time comes – if it does – to apply for legal status, the stash of dog-eared receipts could be a paper trail to a hoped-for life out of the shadows. "It’s to show them that you are doing the impossible to survive … and show them that you are doing the decent thing," said Aguilar, speaking in Spanish. "I am here in this country to contribute." Aguilar is among millions of illegal immigrants at the sharp end of a daily battle for survival on the margins of American society as Obama pushes for immigration reform in Washington, months after Hispanic voters turned out to give the Democrat a second term.