Ukrainian President Volodymyr Zelensky says he respects Joe Biden’s “tough but strong decision” not to run for another presidential term in the United States. “Many strong decisions have been made in recent years and they will be remembered as bold steps taken by President Biden in response to challenging times. And we respect today’s tough but strong decision,” Zelensky wrote on social media platform X. Zelensky was grateful to Biden for his “unwavering support for Ukraine’s fight for freedom,” he wrote. “We will always be thankful for President Biden’s leadership. He supported our country du…