dr. lisa dolev, my guest this morning.s everyone in silicon valley has an app, even the firefighters and the search for little green men gets a pile of green. astronomer, and our reporters from japan, and "fortune" magazine this week on "press: here." ♪ ♪ >>> good morning, everyone. i'm scott mcgrew. recently the transportation safety agency the tsa, tested its own effectiveness at airports throughout the united states attempting to sneak guns and bombs and other weapons past tsa officers. the results were abysmal, nearly every pistol grenade, ied and knife made it past a 95% failure rate. a failure rate so staggering maybe it would be more effective to let nine out of people get on willy nil willy-nilly on the plain with no screening whatsoever and check the tenth. how is such a failure rate possible and what should we do about it. dr. lisa dolev is a ph.d in engineering and veteran of the israeli air force and she's saying take the humans out of the loop with automated scanning which has better than a 95% effectiveness r