It's the first official trip for 1-year-old Princess Charlotte
After a cease-fire collapsed in Syria, Russian and Syrian warplanes have been hammering Syria's largest city, Aleppo. The head of the United Nations said he is appalled by the "chilling" upsurge in attacks and warned the use of certain bombs against civilians may amount to war crimes. More now from Jonathan Vigliotti in London.
Mr. Obama, dedicating the museum on Saturday, said that the story of black Americans is the story of the nation’s essential greatness.
Militants ram explosives-laden vehicles into security checkpoint north of Baghdad
CBS News chief medical correspondent Dr. Jon LaPook and CBS News contributor Dr .Tara Narula join "CBS This Morning: Saturday" to discuss the growing epidemic of superbugs, the ongoing fight against Zika and the link between food and stress.