By Philip Pullella ISA TOWN, Bahrain (Reuters) -Relatives of death row and life inmates in Bahrain held a small protest along Pope Francis’ motorcade route on Saturday calling for freedom of political prisoners in the Gulf Arab state. It was not clear if the pope saw the placards as his motorcade moved from his residence to a school in Isa Town where he later addressed students and teachers. A video of the protest, which included several women and children, was posted online by London-based Bahrain Institute for Rights and Democracy (BIRD) and by Bahrain’s dissolved opposition al-Wefaq group. …