Bill Cassidy says Trump treats Congress “as merely an appendage” in CBS interview about Iran war

U.S. Sen. Bill Cassidy, a Republican from Louisiana who is expected to leave office after a May primary in which President Donald Trump backed a challenger, said in an interview aired Sunday that Trump treats Congress “as merely an appendage” in connection with the administration’s handling of the Iran war.

Cassidy’s remarks were made during an interview with CBS, according to The Guardian. He characterized the administration’s approach as one that does not give Congress a meaningful role, framing his comments as a complaint about how lawmakers are consulted during major foreign policy decisions.

The CBS interview comes as Cassidy’s relationship with Trump has been the subject of attention inside the Republican Party, with The Guardian describing the criticism as a rare example of a Republican senator openly rebuking the president. Cassidy’s comments were not presented as an endorsement of any policy alternative, but as a direct dispute over congressional role and authority.

According to The Guardian’s reporting, Cassidy’s criticism was tied to the Iran war and what he described as the practical treatment of Congress during the conflict. The article did not cite a specific bill, vote, or formal legislative action by Cassidy tied to the remarks, and it did not provide additional detail on which congressional processes Cassidy believed were bypassed.

The Guardian also tied the interview to Cassidy’s upcoming departure from the Senate, describing him as being ousted from his seat after Trump supported a challenger in May’s primary. In that context, Cassidy’s public break with Trump takes place amid a broader political transition that is likely to affect leadership and committee dynamics in the Senate after the next election cycle.

While the remarks focus on Congress’s standing in relation to the Iran war, the reported exchange does not indicate any immediate legislative retaliation or a specific procedural dispute filed by Cassidy. It also does not describe whether Cassidy requested particular hearings, votes, or legislative language from the administration in connection with the Iran war.

For its part, the Guardian report frames Cassidy’s comments as a statement of principle about congressional involvement, and it treats his characterization of the president’s approach as a direct allegation rather than a resolved finding by any court or official investigation. The report does not describe an administration response within the text it provided.