By Kanishka Singh WASHINGTON (Reuters) – A special grand jury in Georgia probing former U.S. President Donald Trump’s alleged attempts to overturn his 2020 election defeat there issued subpoenas to Senator Lindsey Graham and Trump’s former personal lawyer Rudy Giuliani. A judge also ordered the testimony of other Trump legal team members Jenna Ellis, John Eastman, Cleta Mitchell and Doug Deason. Representatives of Graham and Giuliani did not immediately respond to a request for comment. Ellis, Eastman, Mitchell and Deason could not be reached for comment. The subpoenas were filed on Tuesday an…