There is not a plan to secure America's borders because in 1992, George Bush Senior signed a pact which pulls the USA into Agenda 21, which will eventually cause the United States to lose its sovereignty.
If you are curious about my comment, then please research Michael Shaw's videos and see for yourself. http://www.youtube.com/watch?v=h_o8JJSNN6g
They have a goal to create a completely new world. At some point, there will be a huge highway that runs down the middle of the USA up to Canada and down to Mexico. The diagrams for this are on Michael Shaw's video on Agenda 21.