April 28, 2003 was an important day in the debate on Irish neutrality. It was also an important day for Edward Horgan.  After retiring from the Defence Forces in the mid-1980s after three decades of service and several peacekeeping tours, Horgan remained in service to peace. First as an election observer and then, for the past 25 years, as an activist railing against the use of Shannon Airport by the US military. As detailed in part one, Horgan was among the first in the initial wave of this movement, which has again gathered steam in the wake of recent American-fuelled…