Proponents of a constitutional amendment to mandate that 25% of Michigan's energy comes from renewable sources by 2025 have submitted petitions to put the question on the November ballot.&nbsp; A study, funded by a group that includes Consumers Power and DTE Energy, shows the proposal would cost $10 billion and limit the ability of the Legislature to take advantage of new technology or changes that arise in the market.&nbsp; Do we want to change the constitution to dictate energy policy?&nbsp; What do you think?&nbsp; Read the full article at:&nbsp; <a href="http://www.detroitnews.com/apps/pbcs.dll/article?AID=2012207270363">www.detroitnews.com/apps/pbcs.dll/article</a><br />