On Tuesday, he posted photos of himself in a classroom, a day when the Nigeria Labour Congress is protesting across the country in solidarity with the striking members of the Academic Staff Union of Universities.
The ASUU has been on strike for more than five months.
"Back to class," he captioned the photos. At the #Harvard #Kennedy School, I'm taking a leadership class. No matter how many grey hairs you have, you are never too old to learn, broaden, or sharpen your skills."
