Over there, over there (again).Omar Marques/Getty Images Michael A. Allen, Boise State University; Carla Martinez Machain, Kansas State University, and Michael E. Flynn, Kansas State University Up to 8,500 U.S. troops could soon be heading to Eastern Europe – bolstering an American military presence in the continent that has been in decline since the end of the Cold War. News of the possible deployment, announced on Jan. 24, 2022, by the Pentagon, comes as Russia and the United States continue to maneuver in the face of an escalating crisis in Ukraine. We are a team of researchers who study U….