How much blame does Biden shoulder for immigration struggles?

When President Biden took office, he vowed to “undo the moral and national shame” of the Trump administration’s hard-line approach to immigration. But in the intervening months, though Biden has reversed some of the most controversial policies, he has kept others in place — a tactic that has led to criticism from both the left and the right.

The dynamic came to a head last week in response to the administration’s treatment of Haitian migrants who had gathered at the U.S.-Mexico border seeking asylum. Immigration advocates and progressive members of...