Calling the so-called QAnon Shaman as a witness in the upcoming impeachment trial of former President Donald Trump would turn the proceedings into a “circus,” Sen. Lindsey Graham (R-S.C.) charged Friday. “I cannot think of a better way to turn the upcoming impeachment trial into a complete circus than to call the QAnon Shaman as a witness on anything,” Graham wrote in a tweet. The man in question is Jacob Chansley, who gave himself the moniker widely used in the press and by the senator. Chansley was seen shirtless, wearing a distinctive hat with horns during the Jan. 6 breach of the U.S. Capitol. Chansley told a U.S. Capitol Police officer and an FBI agent the following day that he traveled to Washington because Trump called for all “patriots” to go there to protest as Congress met in a joint session. Trump was impeached on Jan. 13 for alleged incitement …