Israeli Prime Minister Benjamin Netanyahu has warned the US Congress that the nuclear accord being negotiated with Iran would help the Islamic Republic develop atomic weapons.<br /><br /> Urging the US and other powers to hold out for a ‘better deal’, he <br />insisted that Iran posed a threat not only to Israel, but to the Middle East and the world.<br /><br /> “We must all stand together to stop Iran’s march of conquest, subjugation and terror,” Netanyahu said in a 39-minute speech punctuated by standing ovations.<br /><br /> Republican House Speaker John Boehner invited Netanyahu to make the address to the joint Houses of Congress in a session boycotted by dozens of President Barack Obama’s fellow Democrats.<br /><br /> Netanyahu’s appearance in Congress was not agreed in consultation with the Obama administration and relations between traditional allies Israel and the US have been strained.<br /><br /> Netanyahu said a nuclear deal with Iran would be a “countdown to a potential nuclear nightmare” by a country that “will always be an en
