Michelle Obama unveiled a new social media site on Monday where teens can swap practical information and stories about continuing education after high school, an initiative backed by more than 20 media, business and nonprofit groups. […] BetterMakeRoom.org will be a place for students ages 14-19 to get information on such matters as signing up for the SAT and ACT exams, filling out federal financial aid forms and applying to college, aides said. Students will also be able to share stories about their goals, their progress and what’s inspiring them to go to college. …