Thank you for your inquiry. Nationalism itself is a good topic, but such topic is easy to cause quaral or unreasonable arguments. Plus it's somewhat far away from us immigrants' lives, so I don't suggest you friends to discuss such topic in this forum. However, you friends may discuss it in the chatroom of rolia.com (枫下茶馆), or some other websites where you may find people having same interests on that. ( If you like, I'm glad to send you their URLs.)
Hope my reply satisfies you, and please feel free to give me some comments or suggestions. Thank you!