WARSAW  Polish and allied aircraft were scrambled early Sunday – the second time in a week – in what the Polish Armed Forces Operational Command called a precautionary measure after Russia’s airstrikes on Ukraine, near the Polish border. "Polish and allied aircraft are operating in our airspace, while ground-based air defense and radar reconnaissance systems have been brought to the highest state of readiness," the command said on X. As US and EU attempts to end the bloodshed in Ukraine stall,