Immigrants seeking access to the European Union are selecting the weakest countries along its long border as entry points. Italy and Spain used to be under special strain, but now it is Greece that is the weakest link along the coveted border (“The Unstoppable Flow,” February 19, 2011). “Two big European projects, the euro and Schengen,” you point out, “are under severe strain in Greece.” Afghans, Algerians, Congolese, Eritreans, Iranians, Moroccans, Pakistanis, and Somalis are besieging the country. In the aftermath of the debilitating sovereign-debt crisis, Greece is hardly in position to respond to the immigrant pressure. A temporary suspension of Schengen controls is thus discussed as an option. Notwithstanding some problems of its own making, though, the country needs much more help from the Union. It was the Union that failed to prop up the euro with adequate controls of its weakest members. The same holds for Schengen, as well. It is the Union that has failed to equip Greece with appropriate border controls and asylum arrangements. Sovereignty is at stake once again, but the Union is incapable of dealing with it in the absence of further political and administrative integration of the twenty-seven countries presently in the fold. No wonder the strains show precisely in the two big European projects.