BERMAN: The wait is almost over. CNN has learned that former Vice President Joe Biden will announce that he is running for president, and he will do it tomorrow.</s>CAMEROTA: Maybe.</s>BERMAN: So this will be the third time he has run for president. And if elected he would be the oldest person ever to take that office. Joining us now, CNN senior political commentator David Axelrod, host of "THE AXE FILES." And David, I'm just fascinated by the fact that the person who is leading in the polls, the front runner --</s>DAVID AXELROD, CNN SENIOR POLITICAL COMMENTATOR: Yes.</s>BERMAN: -- will get in the race officially tomorrow.</s>AXELROD: Yes.</s>BERMAN: How does this change the dynamic of the race immediately?</s>AXELROD: Well, I mean, obviously, if he weren't to run it would have change the race dramatically. There are several people who are considering running. Mayor Bloomberg, for one, who didn't run in anticipation that Biden would get in the race, because he fills a lane in this race, more moderate, sort of center left lane. The working- class, that wasn't Bloomberg's lane, but the working-class, middle- class Joe lane. And so on --</s>BERMAN: Sherrod Brown a little bit.</s>AXELROD: Yes. You know, Mitch Landrieu, the former mayor of -- of New Orleans was -- was thought to be a potential candidate. Said Biden had dibs on that lane and so on. So I think it is big. You know, and he has consistently led in polls. He is -- he's a solid frontrunner. That's giving him the luxury to wait until now to get in the race. So he has to raise money, which is going to be a big question about him.
Biden to Officially Announce Presidential Run Tomorrow.