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Last March I flew to Warsaw to interview Polish President Andrzej Duda.It was a meaningful moment. My late maternal grandparents came from Poland, one from Lodz and the other from Sosnowicz. My grandmother was liberated 75 years ago this coming Monday from Auschwitz, my grandfather from Bergen-Belsen in April.In their wildest dreams, I knew when I flew to Warsaw that they never would have imagined their Israeli grandson would be striding into the Presidential Palace to meet the president of Poland.Duda was gracious but tough. He used the interview to explain why his country was not going to cave to Israeli pressure, would stick to its controversial legislation that makes it illegal to accuse of Polish complicity in Nazi war crimes, and why, in his view, Israel needed to apologize for the crisis that has yet to abate between the two countries.Despite almost a year that has passed, the crisis is not only not over but seems to be getting worse. Last week, Duda decided to skip the Holocaust forum at Yad Vashem after Israel refused to let him speak.While it might seem like a fight over ego and honor, Duda might be correct here. Russia and Poland are in the midst of their own argument over who is to blame for the outbreak of World War II. Vladimir Putin recently blamed Poland publicly. Duda, who has attended numerous Holocaust memorial events over the years, refused to sit at a forum where he would be subjected to hearing Putin without the ability to respond.Holocaust geopolitics are always going to be complicated and full of emotion. Nevertheless, the ongoing deadlock in Israeli-Polish ties is unfortunate. Poland is a natural ally for Israel. It hosted the anti-Iran conference last year that Netanyahu attended, and is viewed in Washington as playing an important role in upping the maximum pressure campaign against the Islamic regime. Having two close allies at odds with one another is not appreciated in Washington.The Trump administration tried to intervene without success. Vice President Mike Pence, for example, is a strong proponent of fostering better ties with Poland. US envoy David Friedman also tried to sway the Israeli authorities. Neither succeeded.Israel made a decision this week to side with Russia, partly due to the need to continue working with Putin in Syria, but also probably as part of Jerusalem’s efforts to secure the release of Naama Issachar. That might be smart for now, but there is always going to be a tomorrow.Ending the deadlock between Israel and Poland is important. It’s time they get it done.