Former President Trump discusses the threats the world faces over the advancement of nuclear weaponry amid concerns over President Biden's cognitive health on 'Hannity.'

President Joe Biden is in serious mental decline, from the "perpetual state of confusion" displayed on his trip to France, to Washington insiders reporting that the president has performed poorly in meetings, the president’s cognitive impairment raises serious concerns for U.S. national security with a heightened potential for global conflict.

The mental acuity of a nation’s leader plays a critical role in shaping and executing foreign policy – akin in many ways to a general leading an army.

Gen. Kurt von Hammerstein-Equord, a noted German military officer and opponent of Adolf Hitler, is said to have categorized leaders on their intelligence and industriousness, noting:

BIDEN'S OLD AGE CONCERNS AREN'T GOING AWAY SOON, CNN REPORTER SAYS: 'THIS ISN'T BENJAMIN BUTTON HERE'

"I divide my officers into four classes as follows: the clever, the industrious, the lazy, and the stupid. Each officer always possesses two of these qualities. Those who are clever and industrious I appoint to the General Staff. Use can, under certain circumstances, be made of those who are stupid and lazy. The man who is clever and lazy qualifies for the highest leadership posts. He has the requisite and the mental clarity for difficult decisions. But whoever is stupid and industrious must be got rid of, for he is too dangerous."

President Joe Biden's obvious mental decline harms American security across the globe. Here, he and first lady Jill Biden deliver remarks during the congressional picnic on the South Lawn of the White House on June 4, 2024, in Washington, DC. (Photo by Kevin Dietsch/Getty Images)

Applying von Hammerstein-Equord's classification to contemporary politics, some critics argue that Biden, in his current state, fits in the "stupid and lazy" category. This combination, while not ideal, allows for the possibility of stage management by staff, competent or........

© Fox News