Only in the drug war.

“It may seem contradictory, but the unfortunate level of violence is a sign of success in the fight against drugs,”
— DEA head Michele Leonhart

From 2009:

“There will be more violence, more blood, and, yes, things will get worse before they get better. That’s the nature of the battle,”
— U.S. Ambassador Tony Garza

Before that Bush’s drug czar made similar statements. Obama/Clinton will stay the course, as most certainly would a Republican successor.

If thousands of U.S. citizens were dying and living in a police state to keep goods out of Canada, we might start reconsidering our trade policy.