George Stephanopoulos interviewed President-elect Barack Obama on ABC's This Week, and Obama addressed the challenges his administration will face when he is sworn in on January 20th.

Obama said fixing the economy for the long-term will require sacrifices from every American, and that the priority for the large stimulus plan he is pushing for is doing what works:

"These are going to be major challenges. And we're going to have to make some tough choices... So what...