Watch American Morning all this week for more of our special series, The Presidential Brain Trust. [cnn-photo-caption image= http://am.blogs.cnn.com/files/2009/11/biden-joe-gi-art.jpg caption="President Obama values Joe Biden's advice as truth teller, officials say."] By Ed Henry CNN Senior White House Correspondent Washington (CNN) – Apparently you can take the vice president out of the Senate, but you just … Continue reading Biden a key part of Obama's inner circle