sciencehabit writes: During the presidential campaign last fall, a single message was repeated endlessly in Appalachian coal country: President Barack Obama and his Environmental Protection Agency, critics said, had declared a "war on coal" that was shuttering U.S. coal-fired power plants and putting coal miners out of work. Not so, according to a newly-presented analysis of coal plant finances and economics. Instead, coal is losing its battle with other power sources mostly on its merits.
Thus mathematics may be defined as the subject in which we never know
what we are talking about, nor whether what we are saying is true.
-- Bertrand Russell