Philadelphia officials imposed a citywide after-dark curfew on Wednesday, seeking to avert a third night of violence amid protests over the fatal police shooting of a black man wielding a knife and described by family as undergoing a nervous breakdown.
A federal appeals court ruled against Amazon.com Inc in a case that could expose the online retailer to lawsuits from customers who buy defective products from third-party vendors through its website.
United States House Speaker John Boehner invited Pope Francis to address a joint session of Congress - an unprecedented event - during an expected visit to the United States next year. Republicans and Democrats on Capitol Hill have quickly sought to invoke the popular pontiff's devotion to the poor.