07/04/1968
https://www.presidency.ucsb.edu...
"I appreciate deeply your warm and generous welcome."
"We are demonstrating that 'free men working through institutions of representative democracy can best satisfy man's ambitions.'"
"This is the first time that I step on South American soil."
"But as President, I also have the clear responsibility to take action that will assure uninterrupted rail service for our Nation."