The separation of families at the U.S-Southern border is just one issue undocumented immigrants -- human smuggling is another. Scott Pelley reports. Immigration is not the only issue facing the Trump administration. As Bill Whitaker reports -- climate change is another. Plus -- Steve Kroft revisits the Isle of Eigg on tonight's "60 Minutes." Learn more about your ad choices. Visit megaphone.fm/adchoices

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