In an effort to reduce congestion, every traffic light in Los Angeles is now controlled remotely by a software the city has given the federal government to share with other cities.
Two cases covering same-sex marriage go before the U.S. Supreme Court this week. Here’s a primer on the cases and the different routes the court might take.
A Senate committee unveiled the much-awaited legislation, saying it would offer states and localities tools to improve ports, the water supply and flood control.