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Two Weeks Before She Did It, Nancy Mace Told CNN She Would Cross Trump on Iran War Powers

On September 1, 2026, Nancy Mace appeared on CNN's The Situation Room and told Wolf Blitzer she was ready to vote for the War Powers Act: 'The grace period is over.' She added: 'By God, we also don't want 100,000 American troops dead in Tehran.' Fourteen days later, she did exactly what she said, one of 7 Republicans voting 220 to 204 to rein in Trump's Iran war.

Branded Maceopedia quote card: 'The grace period is over.' Nancy Mace, CNN Situation Room, September 1, 2026 - 14 days before she voted against Trump on Iran war powers.
Branded Maceopedia quote card: 'The grace period is over.' Nancy Mace, CNN Situation Room, September 1, 2026 - 14 days before she voted against Trump on Iran war powers.

Reporting relied on: Raw Story, September 1, 2026 ("By God: Nancy Mace sweats Trump may send 100K troops to their deaths"), which reported directly on her CNN Situation Room appearance with Wolf Blitzer. Her September 15 vote is documented in full at Maceopedia's September 16 dispatch. Every quote below is drawn from her own public CNN statements.

On September 1, 2026, a full two weeks before she walked into the House chamber and voted to rein in President Trump's Iran war, Nancy Mace sat down with Wolf Blitzer on CNN's The Situation Room and said exactly what she was going to do.

Three statements, on camera, in her own words:

"The grace period is over."

"That needs to happen sooner rather than later, so that we can adhere to the War Powers Act... And if the War Powers Act were to come up today, I would vote for it."

"But by God, we also don't want 100,000 American troops dead in Tehran."

On September 15, 2026, the House voted 220 to 204 on H. Con. Res. 93, a war powers resolution to rein in the Iran campaign. Nancy Mace voted yea - one of seven Republicans. She was one of three doing it for the first time.

She did exactly what she said she would.

Why she said the grace period was over

Mace laid out the reasoning on CNN. The Iran conflict had been running for approximately six to seven months. She argued Congress has historically given presidents roughly 90 days before requiring a formal war declaration or authorization under the War Powers Act. By September 1, that window had long passed.

She is a member of the House Armed Services Committee and the House Veterans Affairs Committee - positions that gave her standing to push back. She said most Americans oppose another "forever war" in the Middle East. She pointed to the financial consequences: grocery prices, gas prices, and damage to military installations she said she had witnessed directly.

The full arc of the flip

The September 1 CNN statements are the middle chapter of a three-part reversal. Here is the full sequence:

  • March 5, 2026: Mace votes NO on the first war powers resolution and issues a press statement: "We voted NO on the War Powers resolution, without hesitation... We must finish the job."
  • September 1, 2026: Mace tells CNN: "The grace period is over" and "if the War Powers Act were to come up today, I would vote for it."
  • September 15, 2026: Mace votes YEA on H. Con. Res. 93 - 220 to 204.

The CNN interview is the inflection point. The vote was not a surprise. She announced it.

What changed

She is a lame duck. After losing the South Carolina Republican gubernatorial primary on June 9, 2026 with roughly 12 percent of the vote, she will leave Congress in January 2027. The other two first-time Republican defectors on the September 15 vote, Mariannette Miller-Meeks and Zach Nunn, sit in competitive districts and face voters again. Mace does not. She told CNN she was voting her conscience aligned with where she believed most Americans stood.

Whether that reading is right or wrong, she made the call publicly, on camera, two weeks early - and followed through.

Sources

This dispatch is criticism of Nancy Mace's public statements and public voting record on a matter of public concern. Every quote is verbatim from her own CNN interview or her official House press release. Maceopedia takes no position on the merits of the underlying military policy.

Two Weeks Before She Did It, Nancy Mace Told CNN She Would Cross Trump on Iran War Powers: image 1
Two Weeks Before She Did It, Nancy Mace Told CNN She Would Cross Trump on Iran War Powers: image 2