JUNEAU, Alaska — It's a sign that every vote does count. A single mystery ballot found on a precinct table on Election Day but not counted then could decide a tied Alaska state House race and thwart Republican efforts to control the chamber and all of state government. The ballot arrived in Juneau last Friday in a secrecy sleeve in a bin with other ballot materials. Officials were investigating its origins and handling before deciding whether to tally it. "People kept calling it close," Democrat candidate Kathryn Dodge said of the race for the House seat in Fairbanks. "I just...