David Shulkin: “We do not want to find ourselves, like Senator Boozman said, 50 years down the road with outdated technology.”

The VISN model was put in place close to 20 years ago, a very innovative model that has served VA well.

I believe strongly, Anderson, that when it comes to V.A. and national security, we can't make this a political issue.

I came to Washington with the commitment to make our system work better for veterans. That's the commitment that I went to work every day. I continue to feel strongly about that. There was no reason why I would resign.

We just have to do more.