It’s not just Maura Healey expressing support for President Biden’s new border rules. Nicolas Kristoff is also embracing the president’s immigration moves, albeit reluctantly, citing economic factors. …

Immigration is clearly a net economic plus for the nation. But it does come at a cost, in terms of pressures on our resources (Healey’s main concern) and wage competition for working-poor Americans ( Kristof’s main concern). In other words: there’s a too-much-of-a-good-thing component here.