having a false start. a head start would be to say, we are hearing signals from around the world and even here that some people may need a boost at some time, and we're going to find out who that is and when that is, and whether it's safe. and the minute we know that information, we will be ready to roll it out. and that would be a running start. but i think instead of that, we have kind of gotten in a situation where it seemed like the administration thought the case was stronger than it really was, and regulators had to say, hold it, we actually need to do our normal scientific processes, so people are correct to feel whiplash, which is too bad, because the vaccine is remarkably safe, remarkably effective and now we just need to learn a little bit more about it. >> and i'm curious to get the specifics on that from you. because you've made clear in some of your writing that the rush to the rollout was based on summaries of israeli data, but that the raw data may reveal something a little bit more complex. what is it in the raw data that