said in a hearing last week it's not going to be built from sea to shining sea. there will be parts along the border where there won't be a wall, where he believes john kelly, the secretary believes it can be just effective to use border patrol agents, electronic devices and so forth. in that sense that's a policy the obama administration had as well, that theyhought there were parts of the border where you didn't need a wall because other things would be cheaper and just as effective, hallie? >> pete williams from washington, pete, thank you for that perspective. i want to bring in david nakamura from "the washington post" and anna palmer and aaron blake also with "the washington post." david, over to you. back in february john kelly homeland security secretary says's is not pursuing mass deportations. >> that came after president trump's immigration orders which actually if you read the fine print expanded dramatically the pool of immigrants that would be prioritized for removal by