Mankato Free Press: This could be the year when climate change goes to the front of the line in political debates. Hedge fund tycoon Tom Steyer is throwing in $100 million against Republican science deniers this year especially in key races for the Senate and some statehouses in November. Sen. Marco Rubio of Florida and potential 2016 presidential candidate has been hammered over earlier statements where he appeared to be denying climate change is occurring. Since then he acknowledged that climate change exists...