could help save lives. kaitlan collins, cnn, the white house. joining me now is jessica levinson, a professor of law at loyola law school and host of the "passing judgment" podcast. good to see you. i want to get your take on this. from a legal standpoint, where do you think this mandate is the most vulnerable? >> so i think the mandate actually is not vulnerable. i would actually like to start with that, by saying in terms of whether or not it's vulnerable, i think it stands on pretty strong grounds. where is it the most, i would use the word maybe not vulnerable but new, it's sweeping, we have never used osha, we have never used the power of the federal government, to mandate vaccines for this many people before. that doesn't mean that it's legally weak. it just means we've never seen osha, for instance, that was established 50 years ago, impose