o donnell: two pennsylvania state troopers and a man they were trying to help were hit and killed by a speeding car on the major interstate, the young female driver is being investigated for dui. and a former employee of google is suing the company saying its systemically discriminates against black workers by placing them in lower level jobs, underpaying them and denying them opportunities to advance. the plaintiff is a woman who worked at google for six years helping to recruit employees from historically black colleges and universities. we requested a response from google but have not heard back. historic change tonight at the u.s. mipt, sally ride the first american woman in space is now being honored with her own quarter t became available today, ride soared into the history books in 1983 aboard the shuttle challengers sks. she was also a physicist, science writer and professor. coming up next, distraction through dance, helping ukrainian children from half a world away.