The Obama administration insisted Monday that Saudi Arabia’s King Salman isn’t snubbing President Barack Obama with his decision not to attend a Camp David meeting this week, despite widespread speculation that his absence seems to be a rebuke to Obama’s effort to reach a nuclear deal with Iran. Obama had invited King Salman to meet at the White House and Camp David on May 13 and 14, and the White House had indicated that the two would meet in private before a meeting of other Gulf Cooperation Council states. On Sunday, however, Saudi Arabia said it would instead send the...