WASHINGTON — Ukrainian President Volodymyr Zelensky denied wrongdoing Friday night in his first public remarks since a major Oval Office argument with President Trump that upended talks to end his country’s war with Russia. “I’m not sure that we did something bad,” Zelensky told Fox News chief political anchor Bret Baier when asked if he owed Trump an apology — before saying moments later that “of course” the relationship between the men can be mended.”I respect the president and I respect the American people,” the 47-year-old leader said in the interview, without admitting fault for clashing with Trump and Vice...