“Use the same type of approach, when you have politicians that come and ask for support,” Joe Manchin advised a room full of fossil fuel executives last year, “that you do when you make a financial decision for yourself and your family: You want a return on investment.”Manchin announced today that he will not be running to keep his West Virginia Senate seat next year, but he certainly has given his donors a return on their investment. Since his first run for the Senate in 2010, he’s accepted $1.