the runway at jfk. not only is there video, we d reporter on the flight. i m christine romans, maximum nuclear alert, officially talking about another possible chernobyl. japan raises the crisis to the highest level on the international scale on this american morning. good morning. it is tuesday, april 12th. welcome to american morning. clearson off today. let s start with disaster averted. when david meth goliath on the tarmac at jfk airport, video posted on the wnbc website shows an air france super jumbo airbus a-380 tax sig and hitting a delta connection flight. the commuter plane had just landed, was heading to a guy. the airbus a-380 is the world s biggest passenger plane, capable of holding to to more than 500 people and cnn s jim bittermann happened to be on board. pulled away from the gate. going probably 5 to 7 miles an