For many in Maine, the border with Canada is an everyday fact of life. People cross the border for shopping, work or family.
But since September 11 — and, more recently, under the Trump administration — the border which used to be more porous is now hardened. For example, crossing is more formal. Stops within in the 100-mile "border zone" are increasing, and Trump administration policies have introduced a new friction into relationships between the two countries.