A federal judge has ruled that a Philadelphia facility where intravenous drug users can get high under the watchful eye of medical professionals is not the same as the "crack houses" that are prohibited under federal law. Leaders in Philadelphia are now moving forward with a nonprofit "supervised injection facility" called Safehouse, with former Pennsylvania Gov. Ed Rendell (D) on the board. When Safehouse first announced its plans, U.S. Attorney William McSwain of the Eastern District of Pennsylvania declared that such a facility would violate federal law. Rendell responded by challenging the Justice Department to arrest him. Instead, McSwain filed...