The legalization provisions in this act will go far to improve the lives of a class of individuals who now must hide in the shadows, without access to many of the benefits of a free and open society. Very soon many of these men and women will be able to step into the sunlight and, ultimately, if they choose, they may become Americans.
Answer to come -- no Googling or goggling, either.
UPDATE: Ding ding ding...it was indeed Ronald Reagan, in signing the 1986 immigration-reform package. More proof that the real Reagan would have been slaughtered in the 2012 GOP presidential primaries and that Sean Hannity knows nothing of his work.