in using electronics in flight as all fliers know you have to turn off your gadget for take off and landing. if the door is shut you have got to do it. things like tablets, smart phones, laptops. according to the reportings of the "new york times" officials hope to drop that rule by the end of this year. cell phone calls would still be banned. they point out there is no evidence, none at all that electronics cause any danger of any kind. none. still, one former f.a.a. official says there is still more testing to be done. he stopped by "studio b." >> the g.p.s. systems on almost all aircraft they are really not built to block out a lot of interference because of the way they are designed. as we move to more satellite based navigation and getting away from radar we have to make sure those g.p.s. devices are secure. >> shepard: while they are busy powering down devices. pilots are often reading manuals on ipads. unbelievable. stocks took a tum itable today despite word that the