briano sullivan traveled texas where the talk o focused the shale oil boom, geo politics and the future of opec. 5,000porter: more than people from over 70 countries drilling into houston. attended by the ceos of every majoy, gas comp heads of state and two members of the trump cabinet. secretary of state michael pompeo and secreta of energy rick perry. cnbc spoke with secretary perry and wesked him h energy and national security come together right now. >> so the united states with the shale boom, with this revolution that'sccurred in this country, and i might add with the development and the growth that we'reg in our renewables in the nucle side of things, all of this basically says to the united states, you do not have to worry about being heldh age by any country in the world with any type of fuel. you can do it yourself right here. >> reporter: american energy independence has been talked about by every president dating back to richard nixon. while it is unlikely that all imports of crude oil will be replaced, perry believes that the energy boom will continue to reape global market