FILE - This Jan. 15, 2013 file photo shows Facebook chief operating officer Sheryl Sandberg at Facebook headquarters in Menlo Park, Calif. Sandberg's book "Lean In: Women, Work, and th

 

              FILE - This Jan. 15, 2013 file photo shows Facebook chief operating officer Sheryl Sandberg at Facebook headquarters in Menlo Park, Calif.  Sandberg
FILE - This Jan. 15, 2013 file photo shows Facebook chief operating officer Sheryl Sandberg at Facebook headquarters in Menlo Park, Calif. Sandberg's book "Lean In: Women, Work, and the Will to Lead" goes on sale Monday, March 11, 2013 amid criticism that she's too successful and rich to lead a movement. But she says her focus remains on spurring action and progress among women. (AP Photo/Jeff Chiu, file)