CNN  —  With just days until Election Day, hundreds of ballots were destroyed by fires this week at two ballot drop boxes in the Pacific Northwest, and investigators are searching for a culprit they say is responsible for both. Many of the ballots in a drop box in Portland were unaffected, but hundreds of ballots were destroyed in a second ballot box fire in nearby Vancouver, Washington, election officials said. The incidents are believed to be related to a third incident earlier this month in