In a workplace environment, it is completely inappropriate.
Second of all, why? What do you wish to discuss? What would you like to happen? What do these people have to do with it?
If you're in the U.S., do you have anything useful to discuss regarding Guantanamo Bay and the many other U.S. black sites or the Mexican concentration camps run at the border? Do you think those are appropriate conversation pieces to bring up if they don't occur naturally? How would you feel if someone brought them up as if to teach you or make you aware of them as if you didn't know or had any affect whatsoever on their existence?
Second of all, why? What do you wish to discuss? What would you like to happen? What do these people have to do with it?
If you're in the U.S., do you have anything useful to discuss regarding Guantanamo Bay and the many other U.S. black sites or the Mexican concentration camps run at the border? Do you think those are appropriate conversation pieces to bring up if they don't occur naturally? How would you feel if someone brought them up as if to teach you or make you aware of them as if you didn't know or had any affect whatsoever on their existence?