President Trump again pushed for a 30-day cease-fire between Russia and Ukraine Thursday after speaking by phone with Ukrainian President Volodymyr Zelensky, promising to “stay committed to securing Peace” after earlier threatening to walk away from talks between the warring nations. “Talks with Russia/Ukraine continue,” Trump, 78, posted to Truth Social. “The U.S. calls for, ideally, a 30-day unconditional ceasefire. Hopefully, an acceptable ceasefire will be observed, and both Countries will be held accountable for respecting the sanctity of these direct negotiations.” “If the ceasefire is not respected, the U.S. and its partners will impose further sanctions,” he added. Zelensky,...