The long-running NAFTA trucking dispute remains deadlocked. After 15 years, the US continues to refuse to allow Mexican trucks on US roads, citing safety concerns as cover for political motives. Cato’s Dan Ikenson says that Mexico is right to retaliate with tariffs after winning at both the NAFTA dispute settlement panel (2001) and the US Supreme Court (2004) and yet seeing little-to-no progress. But Washington insiders say the issue won’t be resolved any time soon.