It's the virtual equivalent of knocking on doors and shaking hands.

We only need 145 more votes, and we're going to be knocking on doors...we're going to go get them.

I think you just have to keep knocking down doors, and you have to keep being aggressive, and even if somebody says no, then you have to knock on the next door,

He must have spent it shaking hands at the Back Porch.

On Sunday afternoons, instead of going to church, you're going to be out there knocking on doors. It's a much bigger difference to ask someone to serve than to run.

Until then, I was knocking on doors. Afterward, my wife and I started to get a different kind of dinner invitation altogether.