"If the US can control who and what are entering Mexico and Canada ----."
Do you hear me laughing uncontrollably. The U.S. cannot even secure its own borders ---- and now we're going to patrol Canada and Mexico's borders. Have you seen a map of these countries lately?
You didn't answer my question: If this SPP is such a great program, why has Congress not seen it or authorized it?
OTOH, most consider a terror threat more important than a cultural threat.