Politico: As speaker of the Florida House of Representatives in 2008, Marco Rubio helped pass a sweeping energy bill -- backed by a number of environmentalists -- that seemed to reflect a bipartisan interest in renewable energy, climate change and the environment. Earlier this month, Rubio, now a U.S. senator from Florida and a Republican presidential candidate, presented a national energy plan that demonstrated little interest in those same goals. Rubio called for leveraging the nation's coal reserves to...