short of his example, he makes me want to be a better man. ♪ >> remembering mandela, tens of thousands gather in johannesberg to celebrate the man who inspired people around the world. ♪ >>> this is al jazeera live from our headquarters in doha. also ahead, a set back for stability in the central african republic. the french army suffers its first losses. ukraine's president says he is willing to release some of the anti-government activists arrested but makes no political concessions, plus the international space station celebrates 50 years in orbit and counting. ♪