What we're learning about the shooting at an ICE field office in Dallas. CBS' Omar Villafranca reports. President Trump's Administration is touting a drug typically used to reduce chemotherapy side effects as a treatment for Autism. Ahead on the CBS Evening News' "Eye on America"…the doctor whose at the forefront of the research. "Fat Bear week" is in full swing in Alaska, and there's some heavy competition. Coming Up on the CBS Evening News...we'll introduce you to some of the contenders.