With the US among the few advanced countries that does not recognize access as a basic human right, and more reliant than others on the private sector, it is no surprise that many Americans do not get the medicines they need. Though the Patient Protection and Affordable Care Act (Obamacare) has improved matters, health-insurance coverage remains weak, with almost half of the 50 US states refusing to expand Medicaid, the health-care financing program for America’s poor.