A roll-call watcher inside the Senate notes: "And keep in mind that before the vote ended, a few Senators changed from "yea" to "nay." This group includes Biden, Sarbanes and others. I guess now they, too, can have a great line like "I actually did vote for her before I voted against her."
I guess they didn't want there to be too few nays. Not that politics are involved or anything. "