Stupid?? It's the truth. He's not the only mass murderer who was an unsuccesful immigrant from an alien culture. Given that at least half of the world would love to live here, we can pick and choose who gets the enormous privilege of moving here. This kid was known to be troubled back in Korea, and he slaughtered 32 American students.
If we can't even say we're entitled to keep kids like him out, or that it was a mistake to let him (and his family, therefore) come here, we're pretty suicidal.
Inform me, how was he troubled. Always willing to discuss...