World's oldest leaders in power

Veteran leader Robert Mugabe was sworn in as Zimbabwean president on Thursday. At the age of 89, he is among the oldest leaders in office, with only the Israeli President Shimon Peres (90) his senior.

Veteran leader Robert Mugabe was sworn in as Zimbabwean president on Thursday. At the age of 89, he is among the oldest leaders in office, with only the Israeli President Shimon Peres (90) his senior.