Valerie Jarrett. (AP/Evan Vucci) Valerie Jarrett. (AP/Evan Vucci)

After an article in the New York Times painted Obama confidante Valerie Jarrett in a somewhat unflattering light, the White House sent out a memo to staff with ways to praise the adviser, Mark Leibovich reports in his upcoming book "This Town." A copy of the book was obtained by the Washington Post.