• Overall do I believe exchange with other cultures is good, people going back and forth is good, trade is good. Yes, all of these things are good. But I think you have to make sure the system's working. We need to know, virtually 100 percent of the time, when you come and when you leave. It's called entry and exit.

    Rand Paul: Overall do I believe exchange with other cultures is good, people going back and forth is good, trade is good. Yes, all of these things are good. But I think you have to make sure the system's working. We need to know, virtually 100 percent of the time, when you come and when you leave. It's called entry and exit.
    Source: www.realclearpolitics.com