Israeli officials have also directly lobbied the US Congress to quash the deal. In 2015, Netanyahu traveled to Washington, DC in 2015 to address a joint session of Congress in an attempt to uncut Obama’s original negotiations. This time, Mossad chief Yossi Cohen will be traveling to Washington to meet with top White House and US intelligence officials, and he hopes with Biden directly, to convince the administration that Iran has been concealing details about its nuclear program and therefore can’t be trusted. This is indeed ironic coming from a country that, unlike Iran, actually has nuclear weapons and refuses to disclose any information about its program.