(Bloomberg Markets) -- The call came at 6:30 a.m. on Feb. 24, just hours after Russia invaded Ukraine. It threw a lifeline to the Trushchenkov family. “Come, my apartment is yours from the beginning of next month,” said a friend, phoning from 230 miles away in Warsaw to offer a good deal on a sublet. So began the journey that brought 11 Trushchenkovs—six adults and five children—from across Ukraine to a cramped ground floor apartment in the Polish capital. “We only had room for toothbrushes and