WASHINGTON (AP) — Herman Cain contradicted himself on torture, Mitt Romney offered a prescription for challenging China that didn’t add up and Newt Gingrich seemed to forget about crucial help by Pakistani intelligence in running down terrorists.

Factual missteps in the latest Republican presidential debate suggested that on some the knottiest foreign policy and national security issues of the time, contenders were out of their comfort zone. Several raised the prospect of an eventual war with Iran that the U.S., by any current measure, is ill-prepared to start.