Treasury Secretary Steve Mnuchin’s recent comments appearing to promote The Lego Batman Movie has prompted a Democratic senator to call on the government ethics watchdog to investigate as a potential ethics violation. Ron Wyden, ranking member of the Senate Finance Committee, asked the Office of Government Ethics to review Mnuchin’s comments he made during an on-stage interview with Axios in Washington on Friday, Reuters reports. When asked for a movie recommendation, Mnuchin said: “I’m not allowed to promote anything that I’m involved in.