Biden's latest stumble comes days after some questioned why a "watch your step" sign was spotted on the stairs leading up to Air Force One during Biden's arrival in the U.K. on Sunday night.

The president’s latest slip came days after a sign reading “watch your step” was placed on the stairs leading up to Air Force One as he arrived at Stansted Airport in the United Kingdom on ...

The president’s latest slip came days after a sign reading “watch your step” was placed on the stairs leading up to Air Force One as he arrived at Stansted Airport in the United Kingdom on Sunday. A ...