News Tribune: Michael and Sharon Medwid did what other family businesses are trying around the country: They invested in a new shop and machinery to build parts for wind turbines and to reap the benefits of America’s expansion of wind energy. Then the recession clobbered them. Now they’re running lean to survive until credit flows again and they can be part of a wind energy initiative to reach a national goal of doubling renewable energy in three years. The recession has slowed down the …