Presidential historians say Barack Obama has a larger role than any president-elect in the last 75 years, as he takes on the financial crisis even before taking office.
"We only have one president at a time."
That's what Barack Obama said in his first press conference after defeating John McCain on Nov. 4. But in the four weeks since he became president-elect, the omnipresent Obama has taken the lead -- and some say the reins -- from President Bush.