President Trump lacks any unilateral authority to rename New Mexico, a power reserved to the state under its constitution and requiring legislative approval plus voter ratification. In early September 2026 he amplified social media memes and an AI video proposing “New America,” following similar federal actions on the Gulf of Mexico and Lake Ontario, but New Mexico’s Democratic governor, congressional delegation, and state historian immediately rejected the idea as non-negotiable. The state’s name predates both the United States and modern Mexico. No legislative process or ballot measure has advanced, and partisan control of state government makes passage improbable. Traders therefore view any near-term outcome as highly constrained by these structural and political barriers.