stephanie gosk, nbc news, stockholm. >>> tomorrow night here, an emotional making a difference reporteunion coming out of a tragedy in haiti and some american parents who were just trying to do the right thing. for now though, that's our broadcast for this thursday night. as always, thank you for being here with us. i'm brian williams. we all hope to see you right back here tomorrow evening. we all hope to see you right back here tomorrow evening. good night. -- captions by vitac -- www.vitac.com >>> breaking news. immigration rallies are being held in various cities. dozens of people gathered outside the federal building. also there's a protest going on in the mission district. >> just as marchers are heading up, san francisco's police ch