Sen. Joe Manchin: What's at stake when we lose the center

<p>West Virginia Senator Joe Manchin may have a D next to his name, but he's been known to buck his party on major issues, including climate. In November, the Senator announced his retirement from the Senate, just as other more moderate Senate voices like Kyrsten Sinema and Mitt Romney depart, too. Niala speaks to Sen. Manchin live on stage at the Axios What's Next Summit in Washington, D.C. this week, where he makes his case for capturing voters in the center, and keeping the U.S. involved in oil and gas production.</p>Plus, Axios politics reporters Hans...