Colin Powell, who served in President George W. Bush's administration, is one of several Republicans featured at the Democratic convention this year. This image shows Powell arriving to pay his respects at the casket of the late former President George H.W. Bush as he lies in state at the U.S. Capitol, December 4, 2018 in Washington, DC./Credit:	Drew Angerer/Getty Images

Colin Powell, who served in President George W. Bush's administration, is one of several Republicans featured at the Democratic convention this year. This image shows Powell arriving to pay his respects at the casket of the late former President George H.W. Bush as he lies in state at the U.S. Capitol, December 4, 2018 in Washington, DC./Credit: Drew Angerer/Getty Images

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Colin Powell touts Biden's character at DNC: 'We need to restore those values

Former Secretary of State Colin Powell on Tuesday lent another Republican voice in support of Joe Biden in a video recorded for the Democratic National Convention as the Democrats attempt to appeal to more centrist voters.