Vladimir Putin's mental state questioned by growing number of US officials

Russia’s invasion of Ukraine is leading some U.S. politicians, experts and world leaders to question President Vladimir Putin’s mental stability.

Former U.S. Secretary of State Condoleezza Rice, who served under President George W. Bush, called Putin’s recent behavior "erratic."

"I met with him many times, and this is a different Putin," she said on Fox News Sunday. "He was always calculating and cold, but this is different. He seems erratic. There is an ever deepening, delusional rendering of history."

Former Director of National Intelligence Jim Clapper echoed Rice’s assessment of the Russian ruler, who has grown increasingly frustrated over his failure to swiftly subdue Ukrainian forces.

"I personally think he’s unhinged," Clapper said Sunday on CNN. "I worry about his acuity and balance."