KIEV: President Volodymyr Zelensky said on Friday Ukraine was ready to take on Russia if Moscow decides to move troops across the border, amid growing Western concern over a new Russian military buildup."There is a threat today that there will be war tomorrow," Zelensky told a news conference. "We are entirely prepared for an escalation." "We need to depend on ourselves, on our army. It is powerful," he added.Western countries have this month raised alarm over reported Russian military...