Sen. Joseph Biden (search), D-Del., said Sunday he intends to run for president in 2008.

But Biden, who also sought the nomination in 1988, said he would give himself until the end of this year to determine if he really can raise enough money and attract enough support.

Going after the nomination "is a real possibility," he said on CBS' "Face the Nation."

"My intention, as I sit here now, is, as I've proceeded since last November as if I were going to run. I'm quite frankly going out, seeing whether I can gather the kind of support," Biden said.

Biden said he was taking his "game on the road, letting people know what I think."

He added, "If, in fact, I think that I have a clear shot at winning the nomination by this November or December, then I'm going to seek the nomination."

Biden dropped out of the 1988 presidential race after a series of disclosures that he had liberally borrowed from other politicians in his stump speeches and after questions about his law school records.