The Dallas Stars may not have brought home points from the native land of Roope Hintz, Miro Heiskanen and Esa Lindell – but that doesn’t mean they didn’t come back with something valuable. Certainly Lia Assimakopoulos, the Stars beat writer at The Dallas Morning News, came away from the Global Series with more than souvenirs. By her own account, she was determined to find the source of the…