You're right --- and it's going to happen when the economy can no longer support massive numbers of indigents who have moved in from Mexico. See what happens when the welfare check doesn't arrive, when the emergency room is closed and they can't have the free health care they've come to expect. When the Revolution in Mexico starts --- we're going to see a bi-national revolution --- there's no way now to keep that contained.
Kosovo X 1,000. You will NOT want to be living inside a minority enclave, you will be the first to be "cleansed" by the radicals.