UPDATE 1-Netanyahu calls for "better deal" with Iran over nuclear programme

(Adds Boehner visit) JERUSALEM, April 1 (Reuters) - Israeli Prime Minister Benjamin Netanyahu said on Wednesday it was not too late for world powers still locked in nuclear negotiations with Iran to demand a "better deal". He made the comments before a planned meeting in Jerusalem with the speak of the U.S. House of Representatives, John Boehner, a leading Republican and strong critic of the White House's policy on Iran. "Now is the time for the international community to insist on a better deal