US President Donald Trump (2nd R) and First Lady Melania Trump (R) poses for a photo with Israel's Prime Minister Benjamin Netanyahu (2nd L) and his wife Sara Netanyahu in the Rose Garden of the White House on March 5, 2018 in Washington, DC. President Donald Trump said he "may" attend the opening of a controversial new US embassy in Jerusalem, a fraught prospect designed to underscore close ties with Benjamin Netanyahu, whom he hosted Monday.Trump warmly welcomed the embattled prime minister to the White House, claiming US-Israel ties had "never been better" and floating a May trip that would be a major security and diplomatic challenge. / AFP PHOTO / MANDEL NGAN