'This is not Constitutional,' wrote Rep. Thomas Massie (R-Ky.), who last week made preparations to introduce a resolution under the War Powers Act.

'This is not Constitutional,' wrote Rep. Thomas Massie (R-Ky.), who last week made preparations to introduce a resolution under the War Powers Act.

The president vowed to campaign against Rep. Thomas Massie for opposing him on Iran, the "big beautiful bill" and more.