 I've got to finish this job. However, there were frequent stumbles by the president, including mixing up names that have worried Democrats to the point some have called on Biden to reconsider. It was Biden's first unscripted press conference since last year. Ukrainian President Volodymyr Zelensky, even as he embraces support from the West in his country's battle against Russia, issued a familiar refrain saying military aid needs to arrive faster. The Ukrainian leader also called for restrictions.