But Trump's new steel, aluminum and reciprocal tariffs will boost inflation. Big tariffs on Canada, Mexico, Europe, Japan and others will weaken those economies, encourage retaliation against the U.S.

Most US allies fear Vladimir Putin will not stop at Ukraine's borders if he wins, and that Europe's biggest land war in decades poses an existential threat to their security.

Over at the Kremlin, Vladimir Putin is holding further talks with regional governors. Having spoken with the Russian governor of the occupied Donetsk region of Ukraine yesterday, the president is ...