He had better not go back on his word, he should know that if he does, there will be a serious amount of backlash from the public and it would hurt his approval ratings even worse than they already are. We were jerked around by Fauci long enough with him moving the goalposts, we can't take any more of it from Biden. Did you know that the U.S. travel vaccine for tourists is still in effect? Yet migrants are still allowed to cross the U.S.-Mexico border in droves without showing vaccine proof.