Ex-Trump aide Peter Navarro sentenced to 4 months for defying Jan. 6 committee subpoena

Japanese telecom giant SoftBank is joining US-based chipmaker Nvidia in an alliance to use artificial intelligence to improve wireless services. The aim is to develop technology that can process data at cell phone transmission towers without having to rely on data centers.

Senate Republican Leader Mitch McConnell has endorsed Donald Trump for president. McConnell announced his decision after Super Tuesday wins pushed Trump, who is the GOP front-runner, closer to the party nomination.