There may be tea party protesters wandering the halls of Congress, and inundating members' office, by the thousands today--but some of the very people they hope to impact seem to be all but unaware of them.

"Are they doing that?" asked Sen. Ben Nelson (D-NE), tongue planted firmly in cheek. "Oh good, good!"

Does that mean he's battening down the hatches and preparing for an onslaught? Quite the opposite!

"We're very friendly up there, so I know they'll get a warm reception."