The President to Survey Border Wall Prototype

President Donald Trump boards Air Force One, Saturday, March 10, 2018, in Andrews Air Force Base, Md., en route to campaign rally at Atlantic Aviation in Moon, Pa. (AP Photo/Carolyn Kaster)

President Donald Trump boards Air Force One, Saturday, March 10, 2018, in Andrews Air Force Base, Md., en route to campaign rally at Atlantic Aviation in Moon, Pa. (AP Photo/Carolyn Kaster)

It is all about the wall.   President Trump is traveling to California in part to look at what the southern border wall could look like. More from AURN White House Correspondent April Ryan.