now on the campaign trail m muhammaddu buhari said that he was going to create jobs, build houses, provide free healthcare and education the question now that everybody is asking is how are we going to do that, and when is this change that is so palpable on the street actually going to be delivered and made to feel real to people in terms of paying it to their every day lives and every day problems. >> yvonne ndege in nigeria. >>> top executives from germanwings parent country lufthansa visited a site where a jet crashed last week. they expressed condolences while avoiding questions about the co-pilot accused of intention intentionally crashing the jet. >> it will take a long time, for anybody, all of us, to under how this could have happened. and it was very important for us to come here today to mourn the victims. >> executives placed flowers at a stone memorial in the french alps but the ceos walked away when pressed for specifics on what the airline new about thement health of co-pilot andreas lubitz. it has admitted that lubitz had told them about his depression in 2009. 150 people we