Who’s more powerful–Oprah Winfrey or Yahoo
CEO Carol Bartz? Disney
media boss Anne Sweeney or MTV Networks chief
Judy McGrath? Who from Google
The new rankings are out. PepsiCo
CEO Indra Nooyi is No. 1 for the fourth year in a row.
And yes, there is a science to deciding these rankings. Here I talk with CNNMoney anchor Poppy Harlow about how we do it: