America's 44th president just took oath a few minutes ago. The first Black president is on his way to making history.
His speech was so amazing.
He says' Choose hope over fear, unity of purpose over conflict and discord'
"Today I say to you that the challenges we face are real. They are serious and they are many. They will not be met easily or in a short span of time," Obama told hundreds of thousands of people gathered on the National Mall in front of...