WASHINGTON--US Vice president Joe Biden pushed back against Iran’s demands for a final deal over its nuclear program on Thursday, demanding access to its military sites , sanctiovs relief phased over time and 'clear' snapback mechanism at the United Nations should Tehran violate the deal .
only two weeks ago, Iran’s Supreme Leader Khamenei rejected those terms a red lives for Iran, in talks over its nuclear work.
the US vice president added that a comprehensive deal currently being negotiated ' radically' alters the timeline on Iran’s ability to achieve nuclear weapons capabilities.
