I hate the idea of razor wire on national borders. I am torn apart by the suffering of refugees and the bombastic manipulation of politicians, who try to turn the planet's most vulnerable into national enemies. But like my sister I don't trust or understand my relationship with collective humanity.
The European Union demonstrates a way forward: eliminating militarized borders, and expanding the safety perimeter to include everyone. Yes, everyone -- holding criminals, including dictators and terrorists, accountable to the law.
The division of the world into 194 random fragments, mostly born of war and exploitation, locked in a state of perpetual mistrust and ever-shifting tensions toward one another, is more problem than solution in the 21st century.