President Donald Trump is ratcheting up pressure on Ukraine to agree to terms to end the war with Russia, echoing some of Moscow’s talking points two days after meeting President Vladimir Putin.

President Volodymyr Zelensky of Ukraine and other European leaders have learned a thing or two about negotiating, Trump-style. So has Vladimir Putin.

It is quite possible that Monday's meeting in the White House could prove even more crucial to the future of Ukraine - and for all of Europe's security - than last Friday's US-Russia summit in Alaska. On the surface, that Putin-Trump reunion seemed to live down to every expectation.

Far from the bitter standoff that erupted the last time Trump welcomed Zelenskyy to the Oval Office in February, the Trump-Zelenskyy gathering this time was a warm and congenial affair. Zelenskyy,