WARSAW—German Chancellor Angela Merkel’s trip to Poland this week is an important moment for both sides—and for all of Europe. Since Poland’s conservative Law and Justice party took office in October 2015, the Polish government has been a persistent thorn in the side of the European Union. Whereas its predecessor prioritized building a network of alliances across the continent and establishing a reputation as a reliable partner, the current government has adopted a more confrontational approach, not least over the...

Source: Wall Street Journal February 05, 2017 18:45 UTC