Yesenia Sanchez didn't worry about her noncitizen status -- until she turned 16 and couldn't get a driver's license. Now 20 and attending college, Sanchez fears she won't find a job when she graduates. She doesn't have a Social Security number. Like other young people nationwide, she's pinned her hopes on the Development, Relief and Education for Alien Minors Act -- also called the DREAM Act. The proposal before Congress would give undocumented youth an opportunity to become legal U.S. residents. Sanchez is one of thousands of young people who've come out of the shadows to lobby for the bill...