Jennifer Rubin, opinion writer for The Washington Post and author of the paper's Right Turn blog, discusses the latest news from over the weekend including what's happening in the Russia investigation and whether the GOP tax bill (or something else) will lead to a government shutdown, plus previews the special election for Jeff Sessions' old senate seat in Alabama, as the state's senior senator announced on CNN's "State of the Union" that he couldn't — and didn't — vote for Republican candidate Roy Moore.