In the past five years almost a quarter of a million people have fled Massachusetts for greener pastures. This week the candidates for governor offered their solutions for staunching the flow and, if possible, luring some ex-pats back. What does Democrat Chris Gabrieli propose? Why, invest $1 billion of taxpayer money in embryonic stem cell research, of course. ...Democrat Deval Patrick wants to hike the minimum wage by $2 an hour and build high-speed commuter rail between Boston and satellite communities Worcester and New Bedford. Yes, Bay Staters are fleeing to Tennessee and Texas because Massachusetts doesn't have enough high-speed...