Poland, Lithuania, and Latvia are considering asking NATO to hold emergency talks as they struggle to manage a tense migration standoff on their borders with Belarus, the Polish prime minister said on Sunday. Poland is in discussions with Lithuania and Latvia on whether to trigger Article 4 of the NATO treaty, Mateusz Morawiecki, the Polish prime minister, told Polish state-run news agency PAP. Under Article 4 of NATO’s founding treaty, if a member country believes that its territorial integrity, political independence, or security is threatened it can bring the issue to the attention of NATO’s political decision-making body and discuss it with Allies. “It is not enough to publicly express our concern. Now concrete steps and the commitment of the whole alliance are needed,” Morawiecki said according to PAP. “There is no doubt that the matter has gone too far,” Morawiecki told PAP. “We already know that in order to …