Kevin McCarthy promised no childish stunts at the State of the Union. That didn't stop MTG carrying a big white balloon around Capitol Hill.

• Kevin McCarthy promised no stunts would be pulled by fellow Republicans at the State of the Union.
• But before the address, Rep. Marjorie Taylor Greene walked around Capitol Hill with a white balloon.
• The prop was a reference to GOP criticism over Biden's handling of a suspected Chinese spy balloon.

Ahead of the State of the Union on Tuesday, Rep. Marjorie Taylor Greene walked through the halls of Congress with a big white balloon.