The investigation into why a Nashville high school student fatally shot a classmate before killing himself has centered on his online writings, which authorities describe as concerning warning signs.

President Donald Trump used an address Thursday to the World Economic Forum to promise global elites lower taxes if they bring manufacturing to the U.S. and threatened to impose tariffs if they don’t.

Days after a winter storm dropped ice and record-breaking snow, cleanup efforts were underway Thursday in several major Southern cities such as New Orleans, where crews were removing snow the same way ...