Republicans lost the House and Senate on Tuesday. Reports based on unnamed officials describe Trump aides blaming one another.
Wiles allies reportedly briefed against Defense Secretary Pete Hegseth and Rubio.
Leaks reported by the New Republic target deputy chief of staff Stephen Miller.
CNN reported Wiles often shut down talk of post-election oversight probes.
Strategist Caroline Summer said on Fox that Wiles must go.
Why it matters: Democratic control of Congress opens the door to oversight investigations of the administration. Who stays in the White House shapes how it responds.
Vance, not Rubio, led the failed Iran talks, so blaming Rubio may implicate Vance.
Vance and Rubio are seen as leading contenders for the 2028 GOP nomination.