/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: GeoffreyMangelsdorf https://cdn.slidesharecdn.com/profile-photo-GeoffreyMangelsdorf-48x48.jpg?cb=1522981803 I am an officer in the US Army; which I love doing because I get to hang around smart energetic folks.