Barack Obama's friend and senior adviser Valerie Jarrett likens the effort of piecing together a Cabinet for the president-elect to assembling a puzzle. The co-chair of his transition, John D. Podesta, promised that his team will "keep our eye on the ball" as it attempts to balance racial diversity,...

Barack Obama's friend and senior adviser Valerie Jarrett likens the effort of piecing together a Cabinet for the president-elect to assembling a puzzle. The co-chair of his transition, John D. Podesta, promised that his team will "keep our eye on the ball" as it attempts to balance racial diversity,...