host: we're talking with jack hitt from smithsonian magazine.stionst to ask about what these cars look like and how they will operate and the regulatory issues and other things involved come you can call and ask our guest directly. you can also post on our website and facebook and twitter page. in this video, it seems that will have tordles be conquered to make these more mainstream. guest: there is a competition between the driverless car which happens on the ground in the flying car which happens in the air. each have advantages and one of the disadvantages are the flying car is there are more regulatory hurdles to go through. really has not clarified where drone policy is right now. they will have to work that through and then get to the issues of flying cars. ground,ss cars among they have an easier task in terms of your craddock castle but they have a more difficult task in terms of technology. strangely, flying cars probably technologically more feasible than a driverless car. think about it -- a car on the ground is on a two-dimensional s

that a conversation with jack hitt on the future of flying cars. later, former new mexico governor gary johnson, who secured the libertarian party presidential nomination, will talk about the 2016 race. washington journal is live at 7:00 a.m. et every morning on c-span. >> madam secretary, we proudly give 72 of our delegate votes to the next president of the united states. >> several of the candidates indirectly and by name and share their thoughts on the current political climate. who we will hear from those know the campaign process well. former presidential candidate ben carson and former president bill clinton. atst, ben carson southeastern university where he talked to his time on the campaign trail, and his experiences as a neurosurgeon at johns hopkins hospital. he also spoke about his christian faith and encourage students to stand up for what they believe in. this is 15 minutes. [applause] dr. carson: thank you so much. thank you. you. thank you so much. i feel like i am at a political rally. [laughter] i want to congratulate the students,

host: we're talking with jack hitt from smithsonian magazine. questionst to ask about what these cars look like and how they will operate and the regulatory issues and other things involved come you can call and ask our guest directly. you can also post on our website and facebook and twitter page. in this video, it seems that will have tordles be conquered to make these more mainstream. guest: there is a competition between the driverless car which happens on the ground in the flying car which happens in the air. each have advantages and one of the disadvantages are the flying car is there are more regulatory hurdles to go through. really has not clarified where drone policy is right now. they will have to work that through and then get to the issues of flying cars. ground,ss cars among they have an easier task in terms of your craddock castle but they have a more difficult task in terms of technology. strangely, flying cars probably technologically more feasible than a driverless car. think about it -- a car on the ground is on a two-dimension

we will be joined by jack hitt, negativity writer with -- a contributing writer with "smithsonian magazine talking about vehicles that have the ability to become airborne. we will be talking with libertarian presidential candidate gary johnson. his policy proposals and the impact he might have on campaign 2016. that begins tomorrow at 7:00 eastern. have a nice memorial day. [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] [captions copyright national cable satellite corp. 2016] day,ming up this memorial a medal of honor recipient tells a story of serving in afghanistan from 2003-2011. after that, we take you to arlington national cemetery where president obama lays everything but tomb of the unknowns. at noon, several commencement addresses from colleges and universities around the country that