Gary Johnson: Says the United States has "treaties with apparently 69 countries where we are obligated to defend their borders. And these were treaties that were executive treaties, not authorized by Congress."

Is the United States really obligated to be the world’s bodyguard?

Speaking on Meet the Press on June 5, Libertarian presidential candidate Gary Johnson said that the United States is already committed — without congressional approval — to protecting the borders of 69 other countries (about one-third of the world).

"We've got treaties with apparently 69 countries where we are obligated to defend their borders. And these were treaties that were executive treaties, not authorized by Congress," Johnson said.

Johnson’s claim itself isn’t new....
http://www.politifact.com/truth-o-meter/statements/2016/jun/09/gary-johnson/libertarian-candidate-gary-johnson-mischaracterize/