THEY COME BY BUS, TRAIN, CAR AND FOOT, 100,000 to 200,000 or more a day, enduring often freezing temperatures and waits of up to 60 hours to cross the border. Ukrainians fleeing the chaos and carnage of the Russian invasion are flooding into neighboring Poland, Hungary, Romania, Moldova and Slovakia, some looking to stay and others on their way to more distant destinations, in numbers not seen in decades. By the end of the first week of the war, more than 1 million residents of Ukraine had left their homes looking for safe haven outside its borders, and the United Nations estimates their numbers will likely top 4 million in coming months.
“At this rate, the situation looks set to become Europe’s largest refugee crisis this century,” says U.N. refugee…