The drawn-out saga of Title 42 has been chaotic at the U.S.-Mexico border. In Washington, it hasn't been much better. The Supreme Court is weighing whether to keep in place the emergency powers that have allowed border officials to quickly expel migrants on grounds of preventing the spread of COVID-19. It follows months of legal battles brought on by Republican-led states that wanted to keep the restrictions in place after the Biden administration ended them in the spring. And a bipartisan immigration bill in Congress has been buried just as the lame-duck session finishes and a Republican House is set to take over.