(MI) Muskegon Chronicle – A Muskegon contractor played a major role in building the nation’s largest commercial solar energy plant, which was to be visited by President Barack Obama today.Obama was to tour the Desoto Next Generation Solar Energy Center near Arcadia, Fla., touting alternative energy policies. The 27-megawatt, $152 million Florida Power & Light operation was built in part by Newkirk Electric of Muskegon. More