A deep dive to see scientists trying to save a national treasure. Onicing coec. The histical archives. Theres a lot of hope in these boxes. A lot of ohope. This is the cbs overnight news. Good evening. Es for im elaine quijano. President trump started the day with new attacks on Elijah Cummings and his district in baltimore. The response from many others including the Baltimore Sun has been scathing. Reporter President Trump defended his twitter it tirade against Elijah Cummings saying there is nothing racist in stating plainly what most already know that hes done a dayable job for the people of his di district and baltimore itself. The president called the city a disgusting rat infest rodent mess and nobody would want to live there. This is being perceived as racesest. Do you understand why . I understand why but that doesnt mean its racist. Reporter and said they called cummings over over perceived conditions following his dressing down off the acting head of homeland security. What