"Barack Obama waves as he boards a military helicopter to depart Washington on Friday, January 20, following the presidential inauguration of Donald Trump. <a href=""http://www.cnn.com/2017/01/20/politics/obamas-exit-white-house/index.html"" target=""_blank"">Post-presidency</a>, Obama said he wants to begin writing a book with the help of his White House speechwriter, Cody Keenan. He's also named a senior adviser and a chief of staff for his private office, and on Friday a website that allows users to inquire about his upcoming speaking engagements went live."
{}