These are young people who didn't choose to come here. Their parents brought them. An opportunity to serve in the military would give them a chance to demonstrate their loyalty to the United States. In the long run, the ENLIST Act would allow these folks to become full, productive members of society.
Congressman Denham represents a District that is about one-third Latino, and he's married to a first-generation Mexican-American. Still, it took a lot of organizing in his district to get him to buck his party. Along the way, it's been abundantly clear that the benefits of embracing immigrants vastly outweigh the costs.