House Homeland Security Committee chairman Rep. Michael McCaul (R-Texas) released a Blueprint for Southern Border Security on Monday, outlining a six-point plan for the Department of Homeland Security, Defense Department and others. “More than a decade has passed since the creation of DHS, and the Department has developed neither a comprehensive plan to secure the border nor adequate metrics to measure the extent to which the border is secure,” according to the blueprint. “This holistic approach to securing the border…