Because it’s part of border security. There’s a difference between integrating barriers in some locations and building an entire 2000 mile barrier. You know there is already several hundred miles of barrier on the border right? As already said last week, border security and building additional barriers was part of Clinton’s/democrat last campaign. Building a 2000 mile concrete wall was not. To repeat for the final time, it’s not border security or politics that’s the issue here, it’s Trumps proposed implementation of it.