As for the fiendish complexities of relationships with Pakistan and Egypt, no worries. Put those two down as "Danger and Opportunity".
China is described as "Competitor", while Russia is labelled "Rival".
In fairness, it should be noted that even before he was left speechless by an elementary question about Libya last month, Cain never portrayed himself as a foreign policy savant.
"I'm not supposed to know anything about foreign policy," he has said. "Because you run for president, people say you need to have the answer. No, you don't! That's not good decision-making."
But the US and the world will surely be spared the experience.
After an improbable spell atop Republican polls, Cain seems close to leaving the race through allegations of serial sexual harassment, and a 13-year affair that ended in September. The candidate denies all, but yesterday dropped another hint he may throw in the towel.
"I will talk this through with my wife and family this weekend and re-evaluate," he told CNN.
Foreign policy maps are the least of his worries.
Independent