Karen Moscow

The United Arab Emirates has made a more concerted push for an end to the Iran war in recent days.

Sources tell Bloomberg it's joining Saudi Arabia and Qatar in urging President Trump to give negotiations a chance.

The conversations were prompted by the fear that if hostilities resume, retaliation from Tehran will plunge Gulf economies into chaos.

It also comes as we get some words of optimism when it comes to negotiations on a lasting peace agreement with Iran.

And we get more on that with Bloomberg News Middle East Managing Editor Paul Wallace.

And that's Bloomberg's Paul Wallace.

Tehran is considering the latest proposal submitted by the U.S.

through Pakistan but has given no indication of when it will formally respond.

Speaking in Sweden, Secretary of State Marco Rubio said there are still issues to be worked out.

And Rubio spoke ahead of a meeting of foreign ministers of NATO.

NATO Secretary General Mark Ruda welcomed an abrupt announcement by President Trump to send an additional 5,000 troops to Poland, even as the alliance's top envoys brace for cuts in U.S.

military resources.

As allies process the latest White House policy shift, Ruda said focus remained on boosting spending to be able to defend European security as the U.S.

demands other nations work to protect themselves instead of relying on Washington.

On Capitol Hill, Republican leaders abruptly canceled a vote on the Iran war as Republican absences threatened an embarrassing defeat for President Trump.

We get more with Bloomberg's Maeve Sheehy in Washington.

And as Bloomberg government's Maeve Sheehy, who reports Republican leaders now plan to hold the vote when they return from Memorial Day recess after next week.

In the Senate, lawmakers have called off plans to pass $72 billion in long-awaited funds to end the Department of Homeland Security shutdown.

Republican Senator Tom Tillis said he's concerned that some of the money could go to the Justice Department's new $1.8 billion fund for victims of, quote, government weaponization.

The Kevin Warsh era at the Fed begins in just a few hours.