are not interested in the smaller airports and they are targeting larger airports. national security experts disagree. >> the message is attack any way you can go after. so the opportunity to go after a 50-person passenger jet is very attractive. >> reporter: the concern is the lack of imagination for how bad actors could exploit security weaknesses at smaller airports. after our story broke, tsa sent talking points communicating how to respond at airports nationwide. a final decision has not been made. dave, kaylee. former president obama is weighing in on the first round of endorsements. he endorsed 80 people up and down the ballot.