German Chancellor Olaf Scholz is under pressure to approve an increase in international military support for Kyiv by allowing the export of Leopard 2 battle tanks to Ukraine. Germany has resisted such a move so far, saying Western tanks should only be supplied to Ukraine if there is agreement among Kyiv's main allies, particularly the United States. Western officials want to strike a balance between ensuring Ukraine can defend itself and not supplying arms that could encourage Kyiv to make attacks on Russia or draw NATO into conflict with Moscow. Here are some facts about the Leopard 2 and the...