Stephen Miller, 41, Takes White House Top Staff Job Amid USMCA Talks
Stephen Miller is the new White House chief of staff as the USMCA review goes on. What his border-first views could mean for Mexico's trade negotiators.
Stephen Miller has been named White House chief of staff, replacing Susie Wiles, at a moment when the United States and Mexico are trying to settle their trade relationship under the review of the United States-Mexico-Canada Agreement, known in Spanish as the T-MEC. According to El Financiero, which cited Bloomberg, the move puts one of the hardest-line voices on immigration and security in charge of the president’s agenda.
For Mexico, the concern is that border control and cartel policy could now weigh more heavily on trade talks than tariffs and supply chains do.
Who Miller is
Miller is 41. Until now he served as deputy chief of staff for policy and as homeland security adviser. El Financiero describes him as the leading ideologue of the most radical wing of Donald Trump’s movement and a confidant of Trump since the 2016 presidential campaign. He is neither a trade specialist nor an economist.
In Trump’s first term, Miller designed the 2018 “Zero Tolerance” policy that led to migrant families being separated at the southern border. He also pushed the travel ban on several Muslim-majority countries.
The appointment is part of a reshuffle after the Republican Party lost to the Democrats in the midterm elections, the paper reported. As chief of staff, Miller controls the flow of information, staffing and the president’s schedule.
What it means for the USMCA negotiation
The two governments arrive at the table with different goals. Mexico’s negotiating team is focused on reducing the bilateral trade imbalance, keeping North American industry competitive against Asia and resolving tariff disputes. Miller’s priorities, as El Financiero describes them, are sharply cutting border crossings and fighting organized crime.
Miller has repeatedly called the situation in Mexico a direct threat to US security. He treats cartels as terrorist organizations and says organized crime controls large parts of Mexican territory and areas near the border. Under that view, trade becomes a lever for pressure, and Washington could demand concessions such as direct action against cartels inside Mexico, according to the report.
Sources close to the process told the paper that Miller’s arrival raises the risk of confrontation and adds economic uncertainty. For people living in Mexico, that uncertainty touches the peso, prices of imported goods and the factories and jobs that depend on trade with the United States, all areas the USMCA review is meant to settle.
How Mexico has handled Washington so far
President Claudia Sheinbaum has answered Trump’s threats with data, pointing to lower irregular border crossings and to action against drug trafficking through bilateral intelligence arrangements. Those same sources say a data-driven approach carries less weight with an official as doctrinaire as Miller.
Mexican officials have long tried to avoid dealing with Miller, whom they see as hostile. They preferred to work through tariff disagreements with the Office of the US Trade Representative (USTR), led by Jamieson Greer, or with the Commerce Department. With Miller at the top of White House operations, El Financiero reported, the technical side of US trade policy could end up subordinate to border security goals, which would make any trade deal far more costly for Mexico politically and economically.
Source: El Financiero
