Barack Obama: “The challenges we're facing could not be more critical. And if we want to meet them, then we can't afford, I believe, to…”

“The challenges we're facing could not be more critical. And if we want to meet them, then we can't afford, I believe, to keep on doing the same things that we've been doing over the last several years. We have to change course and then we're going to have to take some immediate action.”