Cartoon Network and Gulli, the Lagardère-owned kids network, are doubling down on African animation. Gulli announced in Gulli announced in Annecy June 14 that it’s pre-purchased L’arbre à Palimpseste (The Tree of Palimpsest), an animated TV series by Togo’s Ingrid Agbo, for broadcast across its Gulli Africa network. Turner, meanwhile, is upping its stake in the continent’s animation industry with