On the Feb 5 Recovery Zone, Stephanie Potter hosts a discussion on the pros and cons of eradicating invasive species .  Guests include Jean Fike, Executive Director of the East Multnomah Soil and Conservation District, and Jeff Haugh, Trails and Restoration Manager of the Forest Park Conservancy here in Portland; and artist/activist Mary Bertuccio with her mother, Lucille Bertuccio, a naturalist and president of the Center for Sustainable Living in Bloomington, Indiana.  Are  our eradication efforts fundamentally necessary if we are to heal our world, or are they a form of overkill?