Mr O'Brien travelled to Paris this month to discuss foreign policy issues with European counterparts, and gave a speech in Arizona in June comparing Chinese President Xi Jinping with Soviet leader Josef Stalin.
UMnu O'Brien uvakashele eParis kule nyanga ukuyoxoxa ngezinkinga zenqubomgomo yezangaphandle nabalingani bakhe baseYurophu, futhi wanikeza inkulumo e-Arizona ngoJuni eqhathanisa noMongameli waseChina uXi Jinping nomholi waseSoviet uJoseph Stalin.