 Prior to President Sein, the last Myanmar leader to visit the White House was Ne Win in September 1966.The two leaders discussed Sein's intention to release more political prisoners, the institutionalisation of political reform and rule of law, and ending ethnic conflict in Myanmar—the two governments agreed to sign a bilateral trade and investment framework agreement on 21 May 2013.On 10 September 2007, the Burmese Government accused the CIA of assassinating a rebel Karen commander from the Karen National Union who wanted to negotiate with the military government.