AYENAT MERSIE Kenya has banned a documentary about a gay Kenyan man's struggle to be accepted by his family and country, saying it was blasphemous and an affront to the constitution. The Kenya Film Classification Board (KFCB) announced a prohibition on the exhibition, distribution, possession or broadcast of "I am Samuel," on Thursday. "We knew it was possible... but you hope for the best. When I made this film, I made it with African audiences in mind," Peter Murimi, the movie's director, told Reuters. "We will try and appeal but I am really disappointed because I was looking forward to…