Amna Nawaz:

It may be the last day of 2018, but there's no shortage of political news.

As the partial government shutdown stretches into a second week, one Democratic senator is one step closer to a 2020 presidential campaign.

Here to help explain what lies ahead in the new year, "NewsHour"'s own Lisa Desjardins, and joining us from Capitol Hill, Erica Werner of The Washington Post.

Welcome to you both. A lot to cover on this final day.

Let's start with the shutdown.

Lisa, where are we? What's the latest?