No, Biden’s new border move isn’t like Trump’s ‘kids in cages’

For as long as former president Donald Trump’s highly controversial policies on children at the U.S.-Mexico border have been at issue, there have been allegations of hypocrisy leveled against critics of those policies. Democrats accused Trump of putting “kids in cages,” so Trump and his defenders pointed out that the chain-link partitions were built by the Obama administration. Democrats decried the separation of children from their families, so Trump defenders pointed out this happened sometimes under Barack Obama, too.

Both of those allegations of hypocrisy were vastly oversimplified. As The...