mechanism will work, and who will pay for the test, for those who choose not to get vaccinated, the employee paying for the test is the business. those are still big questions. but the white house says we should learn more about that in the coming weeks once the process is already done and they do actually formally unveil it. >> and what about other possible vaccine mandates? white house officials were asked multiple times for travelers. >> yeah, are you going to have to be vaccinated to fly domestically? some people believe that's in his purview and that they can actually do it. it's not something where they believe there's a lot of legal questioning like you're seeing with this labor department ruling from those republican governors. but it's a step that the white house hasn't taken yet. when we asked today if this is something that they are considering, jeff zients, the white house coronavirus adviser who played a big role in crafting that plan yesterday said they're not taking measures