Republicans call for Biden's impeachment, citing the 25th Amendment to remove him from power for his "memory problems" Congresswoman Claudia Tenney, R-New York, wrote a letter to Attorney General Merrick Garland asking the federal Cabinet to "explore" the possibility of removing him due to his "cognitive impairment" The controversy over Biden's mental fitness in Hur's report has plunged the 81-year-old president into a state of panic due to public doubts about his ability to take the reins of the Government.