G.J. McCarthy of the Dallas Morning News and videographer Matt Nager collaborated on this story about Ryan Dunklin, 18, and Sarah Colley, 20. They are clients of the Dallas, Texas-based Promise House, which aims to help homeless teenagers in the north Texas area.McCarthy is a staff photojournalist with The Dallas Morning News, where he has worked since 2007. Prior to that, he worked at the Columbia (MO) Daily Tribune and The Paris (Texas) News. Nager currently lives in Dallas, TX, where he works as a photo and video journalist.Produced for the Do1Thing Project by G.J. McCarthy and Matt Nagerhttp://do1thing.org Less