Biden jokes about Trump’s mental fitness at Washington’s Gridiron dinner
U.S. President Joe Biden took jabs at former President Donald Trump with jokes about the mental fitness of his election opponent during a speech at the Gridiron Club dinner, a Washington tradition that began in the 1880s. Biden's appearance at the dinner, in which politicians and journalists trade humorous barbs in a white-tie formal affair, was the first time a president has attended in person since former President Donald Trump in 2018. Biden, 81, recently clinched the Democratic Party's nomination for this year's presidential election and will face off against Trump, 77, in a rematch in November. Biden is trying…