Steven Mnuchin, U.S. Treasury secretary, takes a question during a White House press briefing on new sanctions against North Korea in Washington, D.C., U.S. (Photographer: Zach Gibson/Bloomberg)

Mnuchin Says Unauthorized Person Sent GM Tweet From Account

(Bloomberg) -- Treasury Secretary Steven Mnuchin deleted a retweeted Twitter post blasting General Motors Co.’s plan to close U.S. factories and said someone had gained unauthorized access to his a...