WRONG, "President Salva Kiir of South Sudan" was the answer.
Next Question:

These are two of the most powerful women on the planet! And in dueling pants-suits too! They are:
  1. Angela Merkel & Hillary Clinton
  2. Julia Gillard & Hillary Clinton
  3. Julia Gillard Angela Merkel
  4. Hillary Clinton & Christina Kirchner
  5. Dilma Rousseff & Angela Merkel