After Congress rejected President Trump’s request for 5.7 billion dollars for the border wall, the president declared a national emergency at the southern border. Present Trump claims this “emergency” gives him the authority to divert funds appropriated for other purposes to building the border wall. President Trump’s emergency declaration is not just an end run around Congress. It is an end run around the Constitution. Article One of the Constitution gives Congress sole authority to allocate federal funds. While President Trump’s order may be a particularly blatant abuse of power, it is hardly unprecedented. Most modern presidents have routinely used so-called national ...