Obama trip yields quiet breakthrough that could shed light on whether Myanmar sought nukes

Little noticed during President Barack Obama's landmark visit to Myanmar (mee-an-MAWR') was a significant concession that could shed light on whether that nation's powerful military pursued a clandestine nuclear weapons program, possibly with North Korea's help.

Myanmar announced it would sign an international agreement that would require it to declare all nuclear facilities and materials. Although it would be up to Myanmar to decide what to declare, it could provide some answers concerning its acquisition of dual-use machinery and military cooperation with North Korea.

President Thein Sein's agreement to allow more scrutiny by U.N. nuclear inspectors suggests a willingness to go beyond democratic reforms that have improved relations with Washington and culminated in the first visit by a U.S. president.

However, doubts remain over how much Myanmar will divulge.