Greenwire: Wisconsin Transportation Secretary Frank Busalacchi said the state is suspending its work on an $810 million Milwaukee-Madison rail line after Gov.-elect Scott Walker (R) reaffirmed his pledge to kill the project. The announcement is a harsh realization for some advocates who fear that the results of Tuesday’s midterms could spell trouble for the nation’s nascent high-speed rail system. Candidates who came out against rail projects won gubernatorial races in Ohio, Florida and Wisconsin and a GOP-controlled…