Bahrain, June 26 -- The heads of international financial institutions and global investors are addressing a conference intended to boost a $50 billion U.S. economic plan for the Palestinians.

Despite widespread doubts about the proposal, which has been rejected by the Palestinians, the chiefs of the IMF and World Bank will offer suggestions for making the plan a success.

Also speaking Wednesday to the "Peace to Prosperity" workshop in Bahrain are former British Prime Minister Tony Blair, the head of the international football federation FIFA and the lone Palestinian on the agenda, a West Bank businessman who is viewed with deep suspicion by many fellow Palestinians.

The plan's architect, President Donald Trump's son-in-law, Jared Kushn...