http://portlandtribune.com/pt/9-news/226531-89227-adventurous-squirrels-give-regions-power-grid-a-shock By Kendra Hogue Portland Tribune 09 July 2014 When the power goes out on a hot day, most people assume overuse of air conditioning is to blame. But from June 12 through July 7, four substation outages in Portland’s westside suburbs and in North Portland were caused by adorably nimble, fluffy-tailed and overly adventurous squirrels. All four outages were in PGE territory and one