US PoliticsFormer Navy SEAL Explains Why Walls Matter: ‘A Wall is Effective’SaveMark Us Preferred on GooglePrintRepublican House member-elect Dan Crenshaw is seen after posing for the 116th Congress members-elect group photo on the East Front Plaza of the US Capitol in Washington on Nov. 14, 2018. Mandel Ngan/AFP/Getty ImagesZachary StieberSenior Reporter1/3/2019|Updated: 1/3/2019A former Navy SEAL said that walls do make a difference in terms of security as he said Democrats don’t seem to “value the sanctity of our borders.”Rep. Dan Crenshaw (R-Texas), a first-time lawmaker, said that in his experience as a Navy SEAL, walls have an impact.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.