In an interview on ABC's "This Week," Homeland Security Secretary Alejandro Mayorkas warned of a "very difficult threat landscape" after the New Orleans truck attack.

South Dakota enters a matchup against North Dakota State as winners of four straight home games. The teams play Wednesday for the first time this season.

In the wake of the deadly New Orleans attack ... team in place as quickly as possible," wrote Sen. John Thune of South Dakota, the incoming Senate Majority Leader. While some of Trump's national ...