The daughter of a former St. Petersburg mayor, Ksenia Sobchak made a name for herself as an entertainer and model.
The president's former chief strategist has declared war on the establishment.
It's not yet clear how the law, passed Wednesday, will be enforced.
In a 2015 French government survey, 100 percent of the 600 women surveyed said they had experienced sexual harassment on public transit.
Sen. Patrick Leahy didn't hold back while questioning Attorney General Jeff Sessions on Wednesday.