John Cornyn blocks Trump nominations

In late July 2026 Senator John Cornyn, a pivotal swing‑vote Republican on the Senate Foreign Relations Committee, began using his leverage to pressure the Trump administration over pending appointments. On July 21 he announced he would withhold support for two ambassadorial nominees—Kari Lake for Jamaica and Doug Mastriano for Slovakia—until the administration could prove that appropriated PEPFAR funds for global HIV/AIDS treatment had been released. Cornyn framed the move as a means to compel fiscal accountability on the President’s Emergency Plan for AIDS Relief.

A week later, on July 27, Cornyn broadened his opposition by targeting the attorney‑general nominee Todd Blanche. He demanded that a $1.8 billion settlement linked to former President Donald Trump’s IRS lawsuit, which created an “anti‑weaponization fund” and granted audit immunity to Trump allies, be rescinded or narrowed. Cornyn warned that, after losing his primary to a Trump‑backed challenger, he would use his renewed political freedom to block Blanche’s confirmation unless the settlement was revised. The two actions illustrate a pattern of Cornyn leveraging Senate votes to extract policy concessions from the Trump administration across separate nomination processes.