Can health care co-ops live up to expectations? October 7, 2009 http://www.startribune.com/lifestyle/health/63642867.html?elr=KArksLckD8EQDUoaEyqyP4O:DW3ckUiD3aPc:_Yyc:aUac8HEaDiaMDCinchO7DUs