Former Secretary of State Colin Powell endorsed the Democratic nominee for president, Joe Biden, on Sunday. Speaking on CNN’s “State of the Union”, Powell, who served under Republican presidents George H.W. Bush and George W. Bush, said he would be voting for Biden. “I cannot in any way support President Trump this year,” Powell, who was Chairman of the Joint Chiefs of Staff during the Gulf War in 1991, said Sunday. Powell said he is “very close to Joe Biden on a social matter and on a political matter.” FILE – In this Sunday, March 15, 2020, file photo, former Vice President Joe Biden participates in a Democratic presidential primary debate at CNN Studios in Washington.”I worked with him for 35, 40 years, and he is now the candidate and I will be voting for him,” Powell said, noting that he had not been asked to campaign for former vice president Biden and did not expect to be. Trump was quick to quip back on Twitter, calling Powell a “real stiff” and “highly overrated”. Few prominent Republicans have publicly rebuked Trump, though former Defense Secretary Jim Mattis denounced his handling of widespread protests in the U.S. last week.