SAIPAN, Northern Mariana Islands (AP) — WikiLeaks founder Julian Assange has pleaded guilty to obtaining and publishing U.S. military secrets in a deal with Justice Department prosecutors that secures his liberty and concludes a drawn-out legal saga that raised divisive questions about press freedom and national security. The plea was entered Wednesday morning in federal court in Saipan, the capital of the Northern Mariana Islands, an American commonwealth in the Pacific, that is relatively close to Assange’s native Australia and that accommodated his desire to avoid setting foot inside the co…