that level to testify about conversations with the president. the legal issue in the accounting firm is an easy one. congress is clearly right on that one. the one on don mcgahn is a lot more complicated and i could definitely see courts going either way on that one. >> jeffrey, david, abby, thank you all very much. >> announcer: this is cnn breaking news. all right. this is the breaking news. the national weather service reports that a tornado struck in the area of tulsa international airport in oklahoma. cnn meteorologist chad myers joins us now with the breaking details on this. chad, what have you learn? >> just about 20 or 30 minutes ago, in fact, i tweeted it out, that there was a tornado very close to downtown tulsa, moving to the northeast. and to the northeast of downtown is the airport. we now have five tornado warnings in effect, one to the northeast of tulsa, that same storm and then many farther down. let me take you to -- and we will get a little geeky here, we will analyze this storm, the one that actually moved through