Rubuta ci gaba ga wannan sakin layi - Booker yana goyon bayan rage yawan shigar Amurka a Afghanistan kuma yana adawa da shiga tsakani a Siriya. Bayan harin da Amurka ta kai kan Syria a watan Afrilun 2017
, ya soki aikin soja "ba tare da wani shiri mai kyau ba" ko izini daga Majalisa. Ya goyi bayan mafita ta jihohi biyu ga rikicin Isra'ila da Falasdinu. A kan Iran, ya goyi bayan tsarin yarjejeniyar nukiliyar Iran kuma ya jawo suka.