What does this political cartoon mean?

http://images.search.yahoo.com/images/view?back=http%3A%2F%2Fimages.search.yahoo.com%2Fsearch%2Fimages%3Fp%3Dcuban%2Bmissile%2Bcrisis%2Bpolitical%2Bcartoon%26b%3D41%26ni%3D20%26ei%3DUTF-8%26xargs%3D0%26pstart%3D1%26fr%3Dyfp-t-701&w=128&h=100&imgurl=www.ena.lu%2Fobj%2Fcaric%2Fvfp%2Fobj00290.jpg&rurl=http%3A%2F%2Fwww.ena.lu%2Fcartoon_behrendt_cuban_missile_crisis_october_1962-021100290.html&size=4KB&name=Cartoon+by+Behre...&p=cuban+missile+crisis+political+cartoon&oid=5e8b2a5d197cb5de2414776a767bdd06&fr2=&no=57&tt=69&b=41&ni=20&sigr=12j7kc0rc&sigi=115kr8dbp&sigb=14771a9og&.crumb=2v4CycOT3AN