ayatollah khamenei
Khamenei supported the last 18 months of negotiations on nuclear talks but has not publicly endorsed the deal itself.
"America, in a way, has divided its duties with Iran and behaves in a twofold way," he said.
Iran's parliament will consider the deal in the coming days.
Harvard's Belfer Center for Science and International Affairs breaks down the nuke deal.
WHAT'S HAPPENING
On Saturday, Iran’s supreme religious leader Ayatollah Khamenei tweeted this picture of what many say is a silhouetted President Obama holding a gun to his head.
