Tim Walz faces sustained Republican calls for resignation or impeachment tied to a major federal investigation into alleged fraud exceeding $9 billion in Minnesota’s Medicaid waiver programs during his administration. Lawmakers cited nonfeasance under the state constitution after December 2025 revelations from the U.S. Attorney’s office, prompting joint statements and formal letters in early January 2026. Walz responded by dropping his 2026 re-election bid on January 5 while explicitly rejecting resignation demands and pledging to complete his term ending January 2027. Ongoing probes, potential legislative action, and his public commitment to remain in office through year-end continue to shape assessments of whether political pressure will force an earlier exit before scheduled term limits.