Texas Republicans who joined Democrats in urging Governor Abbott to halt border construction in Big Bend National Park are handing ammunition to open-border advocates and fracturing their own party's resolve. This bipartisan letter against Trump administration projects reveals lawmakers more invested in environmental posturing than in stopping the illegal crossings that strain state resources and endanger citizens. Such capitulation invites electoral backlash in a state that demands real enforcement. The Constitution assigns the federal government clear authority to secure the nation's borders as a core sovereign function, not a negotiable state preference. Federalism does not license local obstruction of national defense against invasion, and limited government never meant surrendering territory to lawlessness. True conservatives recognize that property rights and public safety begin with controlled frontiers. Leaders who prioritize park aesthetics over sovereignty deserve the backlash coming their way.