develop diseases. what i did tell you, wolf, is that what has happened today which is shocking in the scientific world, but keep in mind that this data, wakefield's papers had been discredited and questioned and scrutinized for a long time, but it did not quelled or changed people who were concerned about vaccines, and it didn't change their opinions. so i don't know how much what is happening today will change their opinion either. i think that they will say, what exactly causes autism and can you tell me the answer to that question, and science can't right now, so there is still going to be a lot of question marks, but with regard to vaccines and autism, this is a significant, significant development. >> certainly is. sanjay, thank you very much. dr. sanjay gupta with the latest on this. wow, what a story. a scare on a jetliner due to a cup of coffee. what is the airline doing about this? what happened? we will tell you. plus, we first brought you a story that went viral and now