‘This bill could change substantially’: Senate holds marathon vote on GOP agenda bill

Live look at the floor of the US Senate where moments from now a voterama on President Trump's sweeping domestic policy bill is set to begin. This comes after the Republican le chamber advanced the package following a dramatic drawn out process over the weekend. Let's bring in NBC News chief Capitol Hill correspondent Ryan Nobles.Ryan, I think they are about to start, right. What's the latest on where this all stands. That's right.And Catty, just know that I'm always here for you as well. And you're right. ...