SILVERTON – With bears frequently roaming into Silverton at night in search of snacks, town officials are warning residents and guests to be “bear aware,” and to fortify their trash cans and remove bird feeders. And town officials are conducting an experiment to see why bears seem to be attracted to Blair Street trash bins more than the ones on Greene Street. In pursuit of an answer to the question, the town crew has pulled a switcher, moving one of the old whiskey barrel trash...