The U.S. tax code gives artificial intelligence and automation a built-in financial edge over workers. Some experts say a "robot tax" could level the playing field.

Bill Gates wants AI tokens and robots to be taxed so firms think twice before swapping out workers, plus a bracket of human-only jobs.

The U.S. tax code gives artificial intelligence and automation a built-in financial edge over workers. Some experts say a "robot tax" could level the playing field.