WASHINGTON, Aug. 19 -- Ukraine President Volodymyr Zelensky and US President Donald Trump expressed hope that Monday's critical talks with Ukrainian and European leaders at the White House could lead to trilateral talks with Russian President Vladimir Putin to bring an end to Russia's war on Ukraine. The US president also said he would back European security guarantees for Ukraine. "If everything works out today, we'll have a trilat," Trump said, referring to possible three-way talks among Zelenskyy, Putin and Trump. "We're going to work with Russia, we're going to work with Ukraine." Zelenskyy also expressed openness to trilateral talks.P11...