Small businesses must be allowed to 'group buy' insurance. Cape Cod Times Editorial, March 2, 2010 Health insurance premiums are killing small businesses across the commonwealth. According to a survey recently conducted by the Retailers Association of Massachusetts, small business members have been hit with a 22 percent average rate increase this year alone. In the past five years, many small businesses have seen health care premiums increase about 75 percent, which is about three times higher than the rate hikes experienced by big business and state government. Last week, Governor Deval Patrick requested sweeping authority to review and reject rates charged by insurers ... Unhealthy