As Europe has discovered with Africa, the US is learning again with its migrant crisis that poor and troubled neighbors cannot be shut off simply by more border security. Being secure requires being neighborly.
The incoming president, Andrés Manuel López Obrador, promises a radical approach to ending corruption, one based on a view of people as moral. Yet he also assumes people only need to see a leader who sets a good example.
The outcry over family separation at the border has sparked a rise in help for the migrant children. Now that concern can be broadened to include other children in the US also taken from parents in legal difficulty.