PORTLAND, Ore. – Becky Lerner is hungry - but determined. She is trying to live off “wild” food for a week in Portland, foraging the parks, yards, open spaces and even sidewalks for edibles as a way to not only connect with the land but to learn a valuable survival skill. “Should the trappings of modernity become unavailable to us one day, knowing how to find food without grocery stores or even farms will surely come in handy,” the 26-year-old Northeast Portland woman said. She is not allowing herself to Dumpster dive or feed off gardens during her week-long challenge,...