A threatening email has derailed one of the Portland Rose Festival's signature events, and spurred new debate about the ongoing political protests in Portland. Organizers of the 82nd Avenue of Roses Parade announced Tuesday that the event will be canceled, for fear that the east Portland parade could be disrupted by "the type of riots which happen in downtown Portland." Originally scheduled this Saturday, April 29, the parade is meant to highlight the local community and businesses along Southeast 82nd Avenue, aiming to turn around the negative perception many people have of the area. It started in 2007 and has...