Sheldon Whitehouse: “I'm working with Senator Cassidy on this, and I want to signal his leadership on this issue first.”

This is a hugely important milestone but there are two big pieces of work in front of us.

We need to get rid of dark money in our politics because it’s rotting our politics.

I would say I was an early believer in Josh’s race. I served in the Senate with Tom Harkin. I know what Iowa can deliver because I saw Tom Harkin in action.

We need more clarity on that.