Robert F. Kennedy Jr Tells Tucker 'We Need to Close the Border Right Now' "This is a heartbreaking humanitarian crisis...I was a person who ridiculed Trump's wall. And now I've been now there, and I've talked to everybody down there, and I have have a different position...We cannot survive with what's happening there now...The Mexican drug cartels are literally running U.S. immigration policy, not the President of the United States"