Courtesy of U.S. Supreme Court Roberts was key vote in court's ruling. Related Links: Text of Supreme Court's opinion The U.S. Supreme Court has upheld the Patient Protection and Affordable Care Act in a 5-4 ruling that was a blow to business groups and is certain to become part of the election-year debate.In the majority opinion, Chief Justice John G. Roberts Jr. wrote that the 2010 health-care statute's “individual mandate” provision, which requires that Americans obtain health insurance by 2014 or pay a tax penalty, is constitutional. The mandate was the centerpiece of the law, and the court’s decision on
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.