May 8 is the Paris date for the 100 Trains for Ataxia. This global event, an "accessible walk”, is taking place along the Promenade Plantée (Coulée verte René-Dumont). Iain McGeachin, organizer and participant, wrote to me about the event, one of a series of 17 similar walks taking place in major European cities. Due to Ian's own physical limitations with Ataxia, ....