text:  We've since learned, of course, that public health officials did not support the use of this authority and that they got strong-armed by the White House at the time. But what's so significant about it was it did a few things that Biden has now had to reckon with and hasn't kind of fully overcome. The first was that because this policy just expelled people en masse without processing them, it led actually to more repeat crossings because they had nothing to lose. If they got turned away the first time, they were so desperate they may as well try a second time.