Donald Trump Lashes Out at President Biden Calling Him 'Gaga' On April 22, 2023, former President Donald Trump criticized his successor, President Joe Biden, in a speech at a political rally in Florida. Among other things, Trump called Biden "gaga" and questioned his mental fitness to lead the country. Trump's latest attack on Biden, who took office in January 2021, follows a pattern of personal insults and baseless claims that Trump has used to undermine Biden's legitimacy and popularity. The term "gaga" is often used to describe someone who is senile or mentally impaired, especially in old age. While Biden, who is currently 81 years old, is one of the oldest presidents in US history, he has not shown any signs of cognitive decline or dementia, as many medical experts and Biden's own doctors have confirmed. In fact, Biden has repeatedly emphasized his mental acuity and fitness, and has challenged Trump and his allies to take a cognitive