BY EMILY VITAL Bulatlat August 6, 2007 – 2:25pm Dr. Edita Burgos, mother of missing agriculturist-activist Jonas Joseph Burgos, led a silent march from Sto. Domingo Church to Welcome Rotunda in Quezon City earlier today, marking the 100th day since her son’s disappearance. Jonas, son of press freedom icon Jose “Joe” Burgos, Jr., was abducted…